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List of widths at nut.

Updated, thanks ArtechnikA & frebassist


CURRENT LIST:

4 STRINGS

Alembic Classic: 1.75" (44.5mm)
Alembic Comfort: 1.625" (41.3mm)
Alembic Slender: 1.5" (38mm)
Aslin Dane Jazz Copy - 1.62" (41.3mm)
Dean USA Hillsboro - 1.5" (38mm)
Eastwood Classic 4 - 1.5" (38mm)
Eastwood HiFlyer - 1.86" (47mm)
EBMM Bongo 4 - 1.625" (41.3 mm)
EBMM Ray 34 - 1.69" (43mm)
EBMM Sig.4 - 1.5" (38mm)
EBMM Sterling - 1.5" (38mm)
EBMM Stingray - 1.625" (41.3mm)
EBMM StingRay (1995) - 1.69" (42.9mm)
EBMM Stingray SLO - 1.5" (38mm)
EPI LTD Explorer = 1.662" (42.2mm)
Epiphone Jack Casady Signature - 1.65" (42mm)
Epiphone Thunderberd IV: 1.75" (44.5mm)
Epiphone Thunderbird pro-IV: 1.5" (38mm)
Epiphone Toby Deluxe IV - 1.68" (42.67mm)
Epiphone Toby STandard IV - 1.68" (42.67mm)
ESP LTD B-154DX - 1.57" (40mm)
ESP LTD B204SM - 1.57" (40mm)
ESP LTD B-4E - 1.65" (42mm)
ESP LTD EC-104 - 1.57" (40mm)
ESP LTD F-414FM - 1.65" (42mm)
ESP LTD FB-4 Frank Bello - 1.65" (42mm)
ESP LTD GC-4 - 1.57" (40mm)
ESP LTD PT-4 Pancho Tomaseli - 1.77" (45mm)
ESP LTD Vintage-204 - 1.65" (42mm)
Fender 59 Precision - 1.71" (43.5mm)
Fender 60 Classic Jazz - 1.5" (38mm)
Fender 62RI Jazz - 1.5" (38mm)
Fender 64 Jazz - 1.5" (38mm)
Fender 68 Telecaster - 1.75" (44.5mm)
Fender 70 Classic Jazz - 1.5" (38mm)
Fender 70s Precision - 1.62" (41.3mm)
Fender '82 MIA Bullet B30 - 1.625" (41.3mm)
Fender Aerodyne Jazz - 1.5" (38mm)
Fender American Deluxe Jazz - 1.5" (38mm)
Fender American Deluxe P-Bass - 1.62" (41.3mm)
Fender American Special Jazz - 1.5" (38mm)
Fender American Special P-Bass - 1.69" (43mm)
Fender Antigua Precision - 1.62" (41.3mm)
Fender AVRI '57 & '62 P-bass - 1.75" (44.5mm)
Fender Blacktop Jazz - 1.5" (38mm)
Fender Blacktop Precision - 1.62" (41.3mm)
Fender Coronado (New) - 1.625" (41.3 mm)
Fender Coronado (vintage) - 1.5" (38mm)
Fender Custom Shop '59 NOS P - 1.75" (44.5mm)
Fender Custom Shop Jazz - 1.5" (38mm)
Fender Dimension - 1.5625" (39.6mm)
Fender Duff McKagan P-Bass - 1.62" (41.3mm)
Fender HM - 1.5" (38mm)
Fender Jazz Bass (original) - 1.437" (36.5mm)
Fender Jazz Special (mid 80's MIJ) - 1.5" (38mm)
Fender Kingman AB - 1.5" (38mm)
Fender Limited Geddy Lee 1972 Jazz - 1.5" (38mm)
Fender Limited Gold Top Dusty Hill Precision - 1.5" (38mm)
Fender Mark Hoppus Jazz - 1.62" (41.3mm)
Fender Mike Dirnt Road Worn Precision - 1.59" (40.4mm)
Fender Modern Player Dimension - 1.5" (38mm)
Fender Modern Player Jaguar - 1.5" (38mm)
Fender Modern Player Jazz - 1.5" (38mm)
Fender Modern Player Jazz Satin - 1.5" (38mm)
Fender Modern Player Tele Bass - 1.62" (41.3mm)
Fender Precision Bass Special Deluxe Series - 1.5" (38mm)
Fender Precision Elite - 1.75" (44.5mm)
Fender Reggie Hamilton Jazz - 1.5" (38mm)
Fender Road Worn 50 P-Bass - 1.75" (44.5mm)
Fender Roger Waters Precision - 1.75" (44.5mm)
Fender Sean Hurley Signature 1961 Precision - 1.75" (44.45mm)
Fender Select Jazz - 1.5" (38mm)
Fender Select Precision - 1.62" (41.3mm)
Fender Standard Jazz - 1.5" (38mm)
Fender Starcaster (New) - 1.625" (41.3mm)
Fender Steve Harris P-Bass - 1.75" (44.5mm)
Fender Troy Sanders Jaguar - 1.5" (38mm)
Fender Vintage Hot Rod '60s Precision - 1.625" (41.3mm)
Fender Vintage Hot Rod '70s Jazz - 1.5" (38mm)
G&L 2012 Special M-2000 - 1.75" (44.5mm)
G&L Asat Semi Hollow - 1.5" (38mm)
G&L L-2000 - 1.79" (45.5mm)
G&L Tribute L-2000 - 1.75" (44.5mm)
G&L Tribute JB-2 - 1.5" (38mm)
G&L Tribute SB-2 - 1.5" (38mm)
Gibson EB-2 (vintage) - 1.60" (42mm)
Gibson EB-3 (1973) - 1.562" (39.7mm)
Gibson Les Paul Oversized - 1.6" (40.6mm)
Gibson SG-Bass - 1.60" (42mm)
Godin Shifter Bass - 1.5" (38,1mm)
Gretsch G5440LSB Electromatic - 1.69" (43mm)
Guild Starfire Reissue - 1.5" (38mm)
Harley Benton HBZ-2004 - 1.57" (40mm)
Harley Benton JB-20 Standard - 1.5" (38mm)
Harley Benton PB-20 - 1.65" (42mm)
Harley Benton PJ-4 Deluxe - 1.65" (42mm)
Herby Custom Bass (MIJ. Ric copy 60's/70's) - 1.662" (42.2mm)
Hohner HAB-50 PS ABG - 1.668" (42.4mm)
Höfner 182 - 1.808" (45.9mm)
Hofner Shorty - 1.69" (43mm)
Ibanez AEB10 - 1.687" (42.84mm)
Ibanez AGB140 - 1.533" (39.4mm)
Ibanez GSR200fm - 1.5625" (39.7mm)
Ibanez SR4 - 1.5" (38mm)
Ibanez SR500 (2009) - 1.437" (36.5mm)
Ibanez SRA500/SRA550 - 1.5" (38mm)
Ibanez SR600 - 1.5" (38mm)
Jack & Danny Jazz Bass - 1.5" (38mm)
Jackson C20 - 1.625" (41.3mm)
Jolana Diamant (Zech. LP) - 1.789" (45.7mm)
Lakland 44-64 Custom - 1.5" (38mm)
Lakland Skyline 44-01 - 1.65" (42mm)
Lakland USA Duck Dunn - 1.5" (38mm)
Mighty mite Jazz replacement neck (maple fingerboard) - 1,5" (38mm)
Mighty mite Precision replacement neck (maple fingerboard) - 1.62" (41,3mm)
Mike Lull P4 w/Jazz neck - 1.5" (38mm)
Peavey Patriot (1985) - 1.6875" (42.86mm)
Peavey T-20 (1982) - 1.6875" (42.86mm)
Peavey T-40 (1979) - 1.6875" (42.86mm)
Rickenbacker 4001 (1979) - 1.71" (43.5mm)
Rickenbacker 4001 (March 1973) - 1.625" (41.3mm)
Rickenbacker 4001V63 (April 1998) - 1.718" (43.6mm)
Rickenbacker 4004 Laredo (NAMM Show instrument-December 2011) - 1.687" (42.8mm)
Rick Turner Renaissance RB4FL (2005-NAMM Show instrument) - 1.5" (38mm)
Sadowsky Metro RV4-WL - 1.45" (37mm)
Sadowsky NYC J4 - 1.5" (38mm)
Sadowsky NYC Will Lee - 1.45" (37mm)
Schecter Raiden Special 4 - 1.5625" (39.7mm)
Spector Forte-4 - 1.61" (41mm)
Spector Legend 4 (1st Gen.) - 1.565" (39.75mm)
Spector Legend CLS - 1.5625" (39.7mm)
Spector Legend NS-2 - 1.5" (38mm)
Spector NS-2JA-R - 1.65" (42mm)
Squier Affinity Jazz - 1.5" (38mm)
Squier Affinity P-Bass - 1.62" (41.3mm)
Squier Classic Vibe Jazz - 1.5" (38mm)
Squier Classic Vibe P-Bass 50 - 1.65" (42mm)
Squier Classic Vibe 60s P-Bass - 1.62" (41.3mm)
Squier Matt Freeman P-Bass - 1.65" (42mm)
Squier Mike Dirnt Precision - 1.65" (42mm)
Squier Mikey Way Mustang - 1.5" (38mm)
Squier Troy Sanders Jaguar - 1.5" (38mm)
Squier Vintage Modified Cabronita Precision Bass - 1.625" (41.3mm)
Squier Vintage Modified Fretless Jazz - 1.5" (38mm)
Squier Vintage Modified Jaguar "Standard" - 1.5" (38mm)
Squier Vintage Modified Jazz - 1.5" (38mm)
Squier Vintage Modified Jazz '70S - 1.5" (38mm)
Squier Vintage Modified Jazz '77 - 1.5" (38mm)
Squier Vintage Modified Precision - 1.62" (41.1mm)
Squier Vintage Modified Precision Fretless - 1.625" (41.3mm)
Squier Vintage Modified Precision PJ - 1.625" (41.3mm)
Squier Vintage Modified Precision TB - 1.59" (40.5mm)
Suhr Classic J - 1.5" (38mm)
Traben Standard 4 - 1.5" (38mm)
Warwick Buzzard - 1.73" (44mm)
Warwick Dolphin - 1.73" (44mm)
Warwick Stryker - 1.73" (44mm)
Warwick "Other 4 Models" - 1.515" (38.5mm)
Warwick Thumb NT4 (2013) - 1.51" (38.4mm)
Washburn T24 = 1.589" (40.4mm)
Yamaha BB Series (424 to 2024) - 1.57" (40mm)

5 STRINGS
Alembic Classic - 2.00" (50.8mm)
Alembic Comfort - 1.875" (47.6mm)
Carvin LB75 (1991) - 1.71" (43.5mm)
Conklin Groove Tools GT-5 - 1.751" (44.5mm)
EBMM Stingray 5 - 1.75" (44.45mm)
ESP B55 - 1.692" (43mm)
ESP LTD B-105 - 1.77" (45mm)
ESP LTD B-155DX - 1.77" (45mm)
ESP LTD B-335 - 1.77" (45mm)
ESP LTD B205SM - 1.77" (45mm)
ESP D5 - 1.771" (45mm)
ESP LTD F-105 - 1.77" (45mm)
ESP LTD F-5E - 1.85" (47mm)
ESP Surveyor 5 - 1.5" (38mm)
Fender American Deluxe Jazz V - 1.875" (47.6mm)
Fender Modern Player Jazz V Satin - 1.875" (47.6mm)
Fender Standard Jazz V - 1.85" (47mm)
G&L L-2500 - 1.75" (44.5mm)
G&L Tribute L-2500 - 1.75" (44.5mm)
Harley Benton B-500 Modern Series - 1.77" (45mm)
Harley Benton HBZ-2005 - 1.77" (45mm)
Harley Benton PJ-5 Deluxe - 1.77 "(45mm)
Ibanez ATK305 – 1.75” (44.5mm)
Ibanez BTB 675 - 1.85" (47mm)
Ibanez Gary Willis Signature GWB1 - 1.75" (44.5mm)
Ibanez Gary Willis Signature GWB2 - 1.75" (44.5mm)
Ibanez SR1205-VNF - 1.77" (45mm)
Ibanez SR5 - 1.77" (45mm)
Lakland 55-94 - 1.80" (45.7mm)
Lightwave Saber SL 5 (fretted) – 1.75” (44.5mm)
Martin Keith Elfin 5 fretless (2010-NAMM Show instrument) - 1.875" (47.6mm)
Martin Keith Elfin 5 (2011) - 1.875" (47.6mm)
Modulus Q5 - 1.85" (47mm)
Modulus Q5W19 - 1.90" (48.26mm)
Modulus Q5W21 - 2.00" (50.8mm)
MPG Level-5 Fretless - 1.81" (45.97mm)
Squier Affinity Jazz V - 1.87" (47.6mm)
Squier Deluxe Jazz V - 2" (51mm)
Squier Vintage Modified Jazz V - 1.87" (47.6mm)
Vintage Modified Precision V - 1.875" (47.6mm)
Steinberger Spirit 5 circa 2010, 1.75" (44.5mm)
Steinberger Synapse - 1.77" (44.96mm) @ 0 fret
Traben Array 5 - 1.78" (45.2mm)
Traben Array Limited - 1.78" (45.2mm)
Traben Chaos Core 5 - 1.78" (45.2mm)
Traben Standard 5 - 1.5" (38mm)
Warwick "All 5 Models" - 1.771" (45mm) or 1.85" (47mm)
Yamaha BB415 - 1.653" (42mm)
Yamaha BBNE1/BBEAST - 1.875" (47.62mm)
Zon 5/1 (circa 1996) - 1.85" (47mm)

6 STRINGS

Harley Benton HBB600TBK - 2.175" (55.2mm)
Harley Benton HBB6000 - 2.095" (53.2mm)
Roscoe 3006 - 2.150" (54.61mm)
Squier Vintage Modified Bass VI - 1.65" (42mm)
Warwick "All 6 Models" - 2.047" (52mm) or 2.165" (55mm)
 
The Hofner (German) 500/1 is 1.65" or 42mm, which surprised me as these are generally thought to be among the skinniest necks.

But, when it comes to skinny necks, the hands down winner is the Gretsch White Falcon, at 1.28" or 32.5mm. For us small handed people, this sounds like a lot of fun, but only if you have a really BIG budget. $3300 new. Yikes!
 
Updated, thanks AndroWal & HeavyRockBasser

CURRENT LIST:

4 STRINGS

Alembic Classic: 1.75" (44.5mm)
Alembic Comfort: 1.625" (41.3mm)
Alembic Slender: 1.5" (38mm)
Aslin Dane Jazz Copy - 1.62" (41.3mm)
Dean USA Hillsboro - 1.5" (38mm)
Eastwood Classic 4 - 1.5" (38mm)
Eastwood HiFlyer - 1.86" (47mm)
EBMM Bongo 4 - 1.625" (41.3 mm)
EBMM Ray 34 - 1.69" (43mm)
EBMM Sig.4 - 1.5" (38mm)
EBMM Sterling - 1.5" (38mm)
EBMM Stingray - 1.625" (41.3mm)
EBMM StingRay (1995) - 1.69" (42.9mm)
EBMM Stingray SLO - 1.5" (38mm)
EPI LTD Explorer = 1.662" (42.2mm)
Epiphone Jack Casady Signature - 1.65" (42mm)
Epiphone Thunderberd IV: 1.75" (44.5mm)
Epiphone Thunderbird pro-IV: 1.5" (38mm)
Epiphone Toby Deluxe IV - 1.68" (42.67mm)
Epiphone Toby STandard IV - 1.68" (42.67mm)
ESP LTD B-154DX - 1.57" (40mm)
ESP LTD B204SM - 1.57" (40mm)
ESP LTD B-4E - 1.65" (42mm)
ESP LTD EC-104 - 1.57" (40mm)
ESP LTD F-414FM - 1.65" (42mm)
ESP LTD FB-4 Frank Bello - 1.65" (42mm)
ESP LTD GC-4 - 1.57" (40mm)
ESP LTD PT-4 Pancho Tomaseli - 1.77" (45mm)
ESP LTD Vintage-204 - 1.65" (42mm)
Fender 59 Precision - 1.71" (43.5mm)
Fender 60 Classic Jazz - 1.5" (38mm)
Fender 62RI Jazz - 1.5" (38mm)
Fender 64 Jazz - 1.5" (38mm)
Fender 68 Telecaster - 1.75" (44.5mm)
Fender 70 Classic Jazz - 1.5" (38mm)
Fender 70s Precision - 1.62" (41.3mm)
Fender '82 MIA Bullet B30 - 1.625" (41.3mm)
Fender Aerodyne Jazz - 1.5" (38mm)
Fender American Deluxe Jazz - 1.5" (38mm)
Fender American Deluxe P-Bass - 1.62" (41.3mm)
Fender American Special Jazz - 1.5" (38mm)
Fender American Special P-Bass - 1.69" (43mm)
Fender Antigua Precision - 1.62" (41.3mm)
Fender AVRI '57 & '62 P-bass - 1.75" (44.5mm)
Fender Blacktop Jazz - 1.5" (38mm)
Fender Blacktop Precision - 1.62" (41.3mm)
Fender Coronado (New) - 1.625" (41.3 mm)
Fender Coronado (vintage) - 1.5" (38mm)
Fender Custom Shop '59 NOS P - 1.75" (44.5mm)
Fender Custom Shop Jazz - 1.5" (38mm)
Fender Dimension - 1.5625" (39.6mm)
Fender Duff McKagan P-Bass - 1.62" (41.3mm)
Fender HM - 1.5" (38mm)
Fender Jazz Bass (original) - 1.437" (36.5mm)
Fender Jazz Special (mid 80's MIJ) - 1.5" (38mm)
Fender Kingman AB - 1.5" (38mm)
Fender Limited Geddy Lee 1972 Jazz - 1.5" (38mm)
Fender Limited Gold Top Dusty Hill Precision - 1.5" (38mm)
Fender Mark Hoppus Jazz - 1.62" (41.3mm)
Fender Mike Dirnt Road Worn Precision - 1.59" (40.4mm)
Fender Modern Player Dimension - 1.5" (38mm)
Fender Modern Player Jaguar - 1.5" (38mm)
Fender Modern Player Jazz - 1.5" (38mm)
Fender Modern Player Jazz Satin - 1.5" (38mm)
Fender Modern Player Tele Bass - 1.62" (41.3mm)
Fender Precision Bass Special Deluxe Series - 1.5" (38mm)
Fender Precision Elite - 1.75" (44.5mm)
Fender Reggie Hamilton Jazz - 1.5" (38mm)
Fender Road Worn 50 P-Bass - 1.75" (44.5mm)
Fender Roger Waters Precision - 1.75" (44.5mm)
Fender Sean Hurley Signature 1961 Precision - 1.75" (44.45mm)
Fender Select Jazz - 1.5" (38mm)
Fender Select Precision - 1.62" (41.3mm)
Fender Standard Jazz - 1.5" (38mm)
Fender Starcaster (New) - 1.625" (41.3mm)
Fender Steve Harris P-Bass - 1.75" (44.5mm)
Fender Troy Sanders Jaguar - 1.5" (38mm)
Fender Vintage Hot Rod '60s Precision - 1.625" (41.3mm)
Fender Vintage Hot Rod '70s Jazz - 1.5" (38mm)
G&L 2012 Special M-2000 - 1.75" (44.5mm)
G&L Asat Semi Hollow - 1.5" (38mm)
G&L L-2000 - 1.79" (45.5mm)
G&L Tribute L-2000 - 1.75" (44.5mm)
G&L Tribute JB-2 - 1.5" (38mm)
G&L Tribute SB-2 - 1.5" (38mm)
Gibson EB-2 (vintage) - 1.60" (42mm)
Gibson EB-3 (1973) - 1.562" (39.7mm)
Gibson Les Paul Oversized - 1.6" (40.6mm)
Gibson SG-Bass - 1.60" (42mm)
Godin Shifter Bass - 1.5" (38,1mm)
Gretsch G5440LSB Electromatic - 1.69" (43mm)
Gretsch White Falcon - 1.28" (32.5mm)
Guild Starfire Reissue - 1.5" (38mm)
Harley Benton HBZ-2004 - 1.57" (40mm)
Harley Benton JB-20 Standard - 1.5" (38mm)
Harley Benton PB-20 - 1.65" (42mm)
Harley Benton PJ-4 Deluxe - 1.65" (42mm)
Herby Custom Bass (MIJ. Ric copy 60's/70's) - 1.662" (42.2mm)
Hohner HAB-50 PS ABG - 1.668" (42.4mm)
Höfner 182 - 1.808" (45.9mm)
Hofner 500/1 - 1.65" (42mm)
Hofner Shorty - 1.69" (43mm)
Ibanez AEB10 - 1.687" (42.84mm)
Ibanez AGB140 - 1.533" (39.4mm)
Ibanez GSR200fm - 1.5625" (39.7mm)
Ibanez SR4 - 1.5" (38mm)
Ibanez SR500 (2009) - 1.437" (36.5mm)
Ibanez SRA500/SRA550 - 1.5" (38mm)
Ibanez SR600 - 1.5" (38mm)
Jack & Danny Jazz Bass - 1.5" (38mm)
Jackson C20 - 1.625" (41.3mm)
Jolana Diamant (Zech. LP) - 1.789" (45.7mm)
Lakland 44-64 Custom - 1.5" (38mm)
Lakland Skyline 44-01 - 1.65" (42mm)
Lakland USA Duck Dunn - 1.5" (38mm)
Mighty mite Jazz replacement neck (maple fingerboard) - 1,5" (38mm)
Mighty mite Precision replacement neck (maple fingerboard) - 1.62" (41,3mm)
Mike Lull P4 w/Jazz neck - 1.5" (38mm)
Peavey Patriot (1985) - 1.6875" (42.86mm)
Peavey T-20 (1982) - 1.6875" (42.86mm)
Peavey T-40 (1979) - 1.6875" (42.86mm)
Rickenbacker 4001 (1979) - 1.71" (43.5mm)
Rickenbacker 4001 (March 1973) - 1.625" (41.3mm)
Rickenbacker 4001V63 (April 1998) - 1.718" (43.6mm)
Rickenbacker 4004 Laredo (NAMM Show instrument-December 2011) - 1.687" (42.8mm)
Rick Turner Renaissance RB4FL (2005-NAMM Show instrument) - 1.5" (38mm)
Sadowsky Metro RV4-WL - 1.45" (37mm)
Sadowsky NYC J4 - 1.5" (38mm)
Sadowsky NYC Will Lee - 1.45" (37mm)
Schecter Raiden Special 4 - 1.5625" (39.7mm)
Spector Forte-4 - 1.61" (41mm)
Spector Legend 4 (1st Gen.) - 1.565" (39.75mm)
Spector Legend CLS - 1.5625" (39.7mm)
Spector Legend NS-2 - 1.5" (38mm)
Spector NS-2JA-R - 1.65" (42mm)
Squier Affinity Jazz - 1.5" (38mm)
Squier Affinity P-Bass - 1.62" (41.3mm)
Squier Classic Vibe Jazz - 1.5" (38mm)
Squier Classic Vibe P-Bass 50 - 1.65" (42mm)
Squier Classic Vibe 60s P-Bass - 1.62" (41.3mm)
Squier Matt Freeman P-Bass - 1.65" (42mm)
Squier Mike Dirnt Precision - 1.65" (42mm)
Squier Mikey Way Mustang - 1.5" (38mm)
Squier Troy Sanders Jaguar - 1.5" (38mm)
Squier Vintage Modified Cabronita Precision Bass - 1.625" (41.3mm)
Squier Vintage Modified Fretless Jazz - 1.5" (38mm)
Squier Vintage Modified Jaguar "Standard" - 1.5" (38mm)
Squier Vintage Modified Jazz - 1.5" (38mm)
Squier Vintage Modified Jazz '70S - 1.5" (38mm)
Squier Vintage Modified Jazz '77 - 1.5" (38mm)
Squier Vintage Modified Precision - 1.62" (41.1mm)
Squier Vintage Modified Precision Fretless - 1.625" (41.3mm)
Squier Vintage Modified Precision PJ - 1.625" (41.3mm)
Squier Vintage Modified Precision TB - 1.59" (40.5mm)
Suhr Classic J - 1.5" (38mm)
Traben Standard 4 - 1.5" (38mm)
Warwick Buzzard - 1.73" (44mm)
Warwick Dolphin - 1.73" (44mm)
Warwick Stryker - 1.73" (44mm)
Warwick "Other 4 Models" - 1.515" (38.5mm)
Warwick Thumb NT4 (2013) - 1.51" (38.4mm)
Washburn T24 = 1.589" (40.4mm)
Yamaha BB Series (424 to 2024) - 1.57" (40mm)

5 STRINGS
Alembic Classic - 2.00" (50.8mm)
Alembic Comfort - 1.875" (47.6mm)
Carvin LB75 (1991) - 1.71" (43.5mm)
Conklin Groove Tools GT-5 - 1.751" (44.5mm)
EBMM Stingray 5 - 1.75" (44.45mm)
ESP B55 - 1.692" (43mm)
ESP LTD B-105 - 1.77" (45mm)
ESP LTD B-155DX - 1.77" (45mm)
ESP LTD B-335 - 1.77" (45mm)
ESP LTD B205SM - 1.77" (45mm)
ESP D5 - 1.771" (45mm)
ESP LTD F-105 - 1.77" (45mm)
ESP LTD F-5E - 1.85" (47mm)
ESP Surveyor 5 - 1.5" (38mm)
Fender American Deluxe Jazz V - 1.875" (47.6mm)
Fender Modern Player Jazz V Satin - 1.875" (47.6mm)
Fender Standard Jazz V - 1.85" (47mm)
G&L L-2500 - 1.75" (44.5mm)
G&L Tribute L-2500 - 1.75" (44.5mm)
Harley Benton B-500 Modern Series - 1.77" (45mm)
Harley Benton HBZ-2005 - 1.77" (45mm)
Harley Benton PJ-5 Deluxe - 1.77 "(45mm)
Ibanez ATK305 – 1.75” (44.5mm)
Ibanez BTB 675 - 1.85" (47mm)
Ibanez Gary Willis Signature GWB1 - 1.75" (44.5mm)
Ibanez Gary Willis Signature GWB2 - 1.75" (44.5mm)
Ibanez SR1205-VNF - 1.77" (45mm)
Ibanez SR5 - 1.77" (45mm)
Lakland 55-94 - 1.80" (45.7mm)
Lightwave Saber SL 5 (fretted) – 1.75” (44.5mm)
Martin Keith Elfin 5 fretless (2010-NAMM Show instrument) - 1.875" (47.6mm)
Martin Keith Elfin 5 (2011) - 1.875" (47.6mm)
Modulus Q5 - 1.85" (47mm)
Modulus Q5W19 - 1.90" (48.26mm)
Modulus Q5W21 - 2.00" (50.8mm)
MPG Level-5 Fretless - 1.81" (45.97mm)
Squier Affinity Jazz V - 1.87" (47.6mm)
Squier Deluxe Jazz V - 2" (51mm)
Squier Vintage Modified Jazz V - 1.87" (47.6mm)
Vintage Modified Precision V - 1.875" (47.6mm)
Steinberger Spirit 5 circa 2010, 1.75" (44.5mm)
Steinberger Synapse - 1.77" (44.96mm) @ 0 fret
Traben Array 5 - 1.78" (45.2mm)
Traben Array Limited - 1.78" (45.2mm)
Traben Chaos Core 5 - 1.78" (45.2mm)
Traben Standard 5 - 1.5" (38mm)
Wal 5-String Mark IIs - 1.85" (47mm)
Wal 5-String Mark IIIs - 1.85" (47mm)
Warwick "All 5 Models" - 1.771" (45mm) or 1.85" (47mm)
Yamaha BB415 - 1.653" (42mm)
Yamaha BBNE1/BBEAST - 1.875" (47.62mm)
Zon 5/1 (circa 1996) - 1.85" (47mm)

6 STRINGS
Harley Benton HBB600TBK - 2.175" (55.2mm)
Harley Benton HBB6000 - 2.095" (53.2mm)
Roscoe 3006 - 2.150" (54.61mm)
Squier Vintage Modified Bass VI - 1.65" (42mm)
Warwick "All 6 Models" - 2.047" (52mm) or 2.165" (55mm)
 
Per the ESP website the B-4 series is 40 mm.
I can confirm the D-4 is 40 mm as I own one. For some reason, retailers list them both as 42 mm.:hmm:

The Epi T-bird IV and Goth have been listed for at least the last three years on Epi's website as 1.73" but I can confirm via actual measurement (and Epi will confirm if called) that they are 1.5", same as all the other 4 banger 'birds. They acknowledge the error, but still it persists to this day.



(verified by measurement)

Washburn SHB40 = 42 mm
Schecter Stiletto Extreme 4 = 38 mm

Warwick Streamer 4 = 38 mm
Warwick Corvette 4 = 38 mm
Warwick Corvette 4 $$ = 38 mm


SX Ursa 1 (PB): claimed: 1.75" (44.5 mm)
actual: 1.625" (42 mm)
 
Updated, thanks thespoon

CURRENT LIST:

4 STRINGS
Alembic Classic: 1.75" (44.5mm)
Alembic Comfort: 1.625" (41.3mm)
Alembic Slender: 1.5" (38mm)
Aslin Dane Jazz Copy - 1.62" (41.3mm)
Dean USA Hillsboro - 1.5" (38mm)
Eastwood Classic 4 - 1.5" (38mm)
Eastwood HiFlyer - 1.86" (47mm)
EBMM Bongo 4 - 1.625" (41.3 mm)
EBMM Ray 34 - 1.69" (43mm)
EBMM Sig.4 - 1.5" (38mm)
EBMM Sterling - 1.5" (38mm)
EBMM Stingray - 1.625" (41.3mm)
EBMM StingRay (1995) - 1.69" (42.9mm)
EBMM Stingray SLO - 1.5" (38mm)
EPI LTD Explorer = 1.662" (42.2mm)
Epiphone Jack Casady Signature - 1.65" (42mm)
Epiphone Thunderberd IV: 1.75" (44.5mm)
Epiphone Thunderbird pro-IV: 1.5" (38mm)
Epiphone Toby Deluxe IV - 1.68" (42.67mm)
Epiphone Toby STandard IV - 1.68" (42.67mm)
ESP B-4 - 1.57" (40 mm)
ESP D-4 - 1.57" (40mm)
ESP LTD B-154DX - 1.57" (40mm)
ESP LTD B204SM - 1.57" (40mm)
ESP LTD B-4E - 1.65" (42mm)
ESP LTD EC-104 - 1.57" (40mm)
ESP LTD F-414FM - 1.65" (42mm)
ESP LTD FB-4 Frank Bello - 1.65" (42mm)
ESP LTD GC-4 - 1.57" (40mm)
ESP LTD PT-4 Pancho Tomaseli - 1.77" (45mm)
ESP LTD Vintage-204 - 1.65" (42mm)
Fender 59 Precision - 1.71" (43.5mm)
Fender 60 Classic Jazz - 1.5" (38mm)
Fender 62RI Jazz - 1.5" (38mm)
Fender 64 Jazz - 1.5" (38mm)
Fender 68 Telecaster - 1.75" (44.5mm)
Fender 70 Classic Jazz - 1.5" (38mm)
Fender 70s Precision - 1.62" (41.3mm)
Fender '82 MIA Bullet B30 - 1.625" (41.3mm)
Fender Aerodyne Jazz - 1.5" (38mm)
Fender American Deluxe Jazz - 1.5" (38mm)
Fender American Deluxe P-Bass - 1.62" (41.3mm)
Fender American Special Jazz - 1.5" (38mm)
Fender American Special P-Bass - 1.69" (43mm)
Fender Antigua Precision - 1.62" (41.3mm)
Fender AVRI '57 & '62 P-bass - 1.75" (44.5mm)
Fender Blacktop Jazz - 1.5" (38mm)
Fender Blacktop Precision - 1.62" (41.3mm)
Fender Coronado (New) - 1.625" (41.3 mm)
Fender Coronado (vintage) - 1.5" (38mm)
Fender Custom Shop '59 NOS P - 1.75" (44.5mm)
Fender Custom Shop Jazz - 1.5" (38mm)
Fender Dimension - 1.5625" (39.6mm)
Fender Duff McKagan P-Bass - 1.62" (41.3mm)
Fender HM - 1.5" (38mm)
Fender Jazz Bass (original) - 1.437" (36.5mm)
Fender Jazz Special (mid 80's MIJ) - 1.5" (38mm)
Fender Kingman AB - 1.5" (38mm)
Fender Limited Geddy Lee 1972 Jazz - 1.5" (38mm)
Fender Limited Gold Top Dusty Hill Precision - 1.5" (38mm)
Fender Mark Hoppus Jazz - 1.62" (41.3mm)
Fender Mike Dirnt Road Worn Precision - 1.59" (40.4mm)
Fender Modern Player Dimension - 1.5" (38mm)
Fender Modern Player Jaguar - 1.5" (38mm)
Fender Modern Player Jazz - 1.5" (38mm)
Fender Modern Player Jazz Satin - 1.5" (38mm)
Fender Modern Player Tele Bass - 1.62" (41.3mm)
Fender Precision Bass Special Deluxe Series - 1.5" (38mm)
Fender Precision Elite - 1.75" (44.5mm)
Fender Reggie Hamilton Jazz - 1.5" (38mm)
Fender Road Worn 50 P-Bass - 1.75" (44.5mm)
Fender Roger Waters Precision - 1.75" (44.5mm)
Fender Sean Hurley Signature 1961 Precision - 1.75" (44.45mm)
Fender Select Jazz - 1.5" (38mm)
Fender Select Precision - 1.62" (41.3mm)
Fender Standard Jazz - 1.5" (38mm)
Fender Starcaster (New) - 1.625" (41.3mm)
Fender Steve Harris P-Bass - 1.75" (44.5mm)
Fender Troy Sanders Jaguar - 1.5" (38mm)
Fender Vintage Hot Rod '60s Precision - 1.625" (41.3mm)
Fender Vintage Hot Rod '70s Jazz - 1.5" (38mm)
G&L 2012 Special M-2000 - 1.75" (44.5mm)
G&L Asat Semi Hollow - 1.5" (38mm)
G&L L-2000 - 1.79" (45.5mm)
G&L Tribute L-2000 - 1.75" (44.5mm)
G&L Tribute JB-2 - 1.5" (38mm)
G&L Tribute SB-2 - 1.5" (38mm)
Gibson EB-2 (vintage) - 1.60" (42mm)
Gibson EB-3 (1973) - 1.562" (39.7mm)
Gibson Les Paul Oversized - 1.6" (40.6mm)
Gibson SG-Bass - 1.60" (42mm)
Godin Shifter Bass - 1.5" (38,1mm)
Gretsch G5440LSB Electromatic - 1.69" (43mm)
Gretsch White Falcon - 1.28" (32.5mm)
Guild Starfire Reissue - 1.5" (38mm)
Harley Benton HBZ-2004 - 1.57" (40mm)
Harley Benton JB-20 Standard - 1.5" (38mm)
Harley Benton PB-20 - 1.65" (42mm)
Harley Benton PJ-4 Deluxe - 1.65" (42mm)
Herby Custom Bass (MIJ. Ric copy 60's/70's) - 1.662" (42.2mm)
Hohner HAB-50 PS ABG - 1.668" (42.4mm)
Höfner 182 - 1.808" (45.9mm)
Hofner 500/1 - 1.65" (42mm)
Hofner Shorty - 1.69" (43mm)
Ibanez AEB10 - 1.687" (42.84mm)
Ibanez AGB140 - 1.533" (39.4mm)
Ibanez GSR200fm - 1.5625" (39.7mm)
Ibanez SR4 - 1.5" (38mm)
Ibanez SR500 (2009) - 1.437" (36.5mm)
Ibanez SRA500/SRA550 - 1.5" (38mm)
Ibanez SR600 - 1.5" (38mm)
Jack & Danny Jazz Bass - 1.5" (38mm)
Jackson C20 - 1.625" (41.3mm)
Jolana Diamant (Zech. LP) - 1.789" (45.7mm)
Lakland 44-64 Custom - 1.5" (38mm)
Lakland Skyline 44-01 - 1.65" (42mm)
Lakland USA Duck Dunn - 1.5" (38mm)
Mighty mite Jazz replacement neck (maple fingerboard) - 1,5" (38mm)
Mighty mite Precision replacement neck (maple fingerboard) - 1.62" (41,3mm)
Mike Lull P4 w/Jazz neck - 1.5" (38mm)
Peavey Patriot (1985) - 1.6875" (42.86mm)
Peavey T-20 (1982) - 1.6875" (42.86mm)
Peavey T-40 (1979) - 1.6875" (42.86mm)
Rickenbacker 4001 (1979) - 1.71" (43.5mm)
Rickenbacker 4001 (March 1973) - 1.625" (41.3mm)
Rickenbacker 4001V63 (April 1998) - 1.718" (43.6mm)
Rickenbacker 4004 Laredo (NAMM Show instrument-December 2011) - 1.687" (42.8mm)
Rick Turner Renaissance RB4FL (2005-NAMM Show instrument) - 1.5" (38mm)
Sadowsky Metro RV4-WL - 1.45" (37mm)
Sadowsky NYC J4 - 1.5" (38mm)
Sadowsky NYC Will Lee - 1.45" (37mm)
Schecter Raiden Special 4 - 1.5625" (39.7mm)
Schecter Stiletto Extreme 4 = 1.5" (38mm)
Spector Forte-4 - 1.61" (41mm)
Spector Legend 4 (1st Gen.) - 1.565" (39.75mm)
Spector Legend CLS - 1.5625" (39.7mm)
Spector Legend NS-2 - 1.5" (38mm)
Spector NS-2JA-R - 1.65" (42mm)
Squier Affinity Jazz - 1.5" (38mm)
Squier Affinity P-Bass - 1.62" (41.3mm)
Squier Classic Vibe Jazz - 1.5" (38mm)
Squier Classic Vibe P-Bass 50 - 1.65" (42mm)
Squier Classic Vibe 60s P-Bass - 1.62" (41.3mm)
Squier Matt Freeman P-Bass - 1.65" (42mm)
Squier Mike Dirnt Precision - 1.65" (42mm)
Squier Mikey Way Mustang - 1.5" (38mm)
Squier Troy Sanders Jaguar - 1.5" (38mm)
Squier Vintage Modified Cabronita Precision Bass - 1.625" (41.3mm)
Squier Vintage Modified Fretless Jazz - 1.5" (38mm)
Squier Vintage Modified Jaguar "Standard" - 1.5" (38mm)
Squier Vintage Modified Jazz - 1.5" (38mm)
Squier Vintage Modified Jazz '70S - 1.5" (38mm)
Squier Vintage Modified Jazz '77 - 1.5" (38mm)
Squier Vintage Modified Precision - 1.62" (41.1mm)
Squier Vintage Modified Precision Fretless - 1.625" (41.3mm)
Squier Vintage Modified Precision PJ - 1.625" (41.3mm)
Squier Vintage Modified Precision TB - 1.59" (40.5mm)
Suhr Classic J - 1.5" (38mm)
SX Ursa 1 - 1.625" (42mm)
Traben Standard 4 - 1.5" (38mm)
Warwick Buzzard - 1.73" (44mm)
Warwick Corvette 4 = 1.5" (38mm)
Warwick Corvette 4 $$ = 1.5" (38mm)
Warwick Dolphin - 1.73" (44mm)
Warwick Streamer 4 = 1.5" (38mm)
Warwick Stryker - 1.73" (44mm)
Warwick "Other 4 Models" - 1.515" (38.5mm)
Warwick Thumb NT4 (2013) - 1.51" (38.4mm)
Washburn SHB40 = 1.65" (42mm)
Washburn T24 = 1.589" (40.4mm)
Yamaha BB Series (424 to 2024) - 1.57" (40mm)

5 STRINGS

Alembic Classic - 2.00" (50.8mm)
Alembic Comfort - 1.875" (47.6mm)
Carvin LB75 (1991) - 1.71" (43.5mm)
Conklin Groove Tools GT-5 - 1.751" (44.5mm)
EBMM Stingray 5 - 1.75" (44.45mm)
ESP B55 - 1.692" (43mm)
ESP LTD B-105 - 1.77" (45mm)
ESP LTD B-155DX - 1.77" (45mm)
ESP LTD B-335 - 1.77" (45mm)
ESP LTD B205SM - 1.77" (45mm)
ESP D5 - 1.771" (45mm)
ESP LTD F-105 - 1.77" (45mm)
ESP LTD F-5E - 1.85" (47mm)
ESP Surveyor 5 - 1.5" (38mm)
Fender American Deluxe Jazz V - 1.875" (47.6mm)
Fender Modern Player Jazz V Satin - 1.875" (47.6mm)
Fender Standard Jazz V - 1.85" (47mm)
G&L L-2500 - 1.75" (44.5mm)
G&L Tribute L-2500 - 1.75" (44.5mm)
Harley Benton B-500 Modern Series - 1.77" (45mm)
Harley Benton HBZ-2005 - 1.77" (45mm)
Harley Benton PJ-5 Deluxe - 1.77 "(45mm)
Ibanez ATK305 – 1.75” (44.5mm)
Ibanez BTB 675 - 1.85" (47mm)
Ibanez Gary Willis Signature GWB1 - 1.75" (44.5mm)
Ibanez Gary Willis Signature GWB2 - 1.75" (44.5mm)
Ibanez SR1205-VNF - 1.77" (45mm)
Ibanez SR5 - 1.77" (45mm)
Lakland 55-94 - 1.80" (45.7mm)
Lightwave Saber SL 5 (fretted) – 1.75” (44.5mm)
Martin Keith Elfin 5 fretless (2010-NAMM Show instrument) - 1.875" (47.6mm)
Martin Keith Elfin 5 (2011) - 1.875" (47.6mm)
Modulus Q5 - 1.85" (47mm)
Modulus Q5W19 - 1.90" (48.26mm)
Modulus Q5W21 - 2.00" (50.8mm)
MPG Level-5 Fretless - 1.81" (45.97mm)
Squier Affinity Jazz V - 1.87" (47.6mm)
Squier Deluxe Jazz V - 2" (51mm)
Squier Vintage Modified Jazz V - 1.87" (47.6mm)
Vintage Modified Precision V - 1.875" (47.6mm)
Steinberger Spirit 5 circa 2010, 1.75" (44.5mm)
Steinberger Synapse - 1.77" (44.96mm) @ 0 fret
Traben Array 5 - 1.78" (45.2mm)
Traben Array Limited - 1.78" (45.2mm)
Traben Chaos Core 5 - 1.78" (45.2mm)
Traben Standard 5 - 1.5" (38mm)
Wal 5-String Mark IIs - 1.85" (47mm)
Wal 5-String Mark IIIs - 1.85" (47mm)
Warwick "All 5 Models" - 1.771" (45mm) or 1.85" (47mm)
Yamaha BB415 - 1.653" (42mm)
Yamaha BBNE1/BBEAST - 1.875" (47.62mm)
Zon 5/1 (circa 1996) - 1.85" (47mm)

6 STRINGS

Harley Benton HBB600TBK - 2.175" (55.2mm)
Harley Benton HBB6000 - 2.095" (53.2mm)
Roscoe 3006 - 2.150" (54.61mm)
Squier Vintage Modified Bass VI - 1.65" (42mm)
Warwick "All 6 Models" - 2.047" (52mm) or 2.165" (55mm)
 
I'm interested in the details. Please post them.

OK, at the risk of boring everyone to tears, here we go - all medium scale except the Rob Allen Mouse, which is short scale:

PRS #11: 43mm

PRS-Sideways.png


Viola Bass with Variax transplant: 43.5mm

V-Bass%20sideways.png


Roscoe Custom "Birdie": 42mm (Jazz Feel)

Roscoe-1-sideways.png


Roscoe Custom "Bucky": 46mm (Precision feel)

Roscoe-2-single.png


Rob Allen Mouse: 42mm

Rob-Allen2-Sideways.png


Andrew Drake "Wilma": 42mm

Wilma%20Sideways.png


Warwick "Alien": 39mm

Alien%20sideways.png


Gretsch Electromatic: 43mm

Gretsch%20Sideways.png


1951 Fender P Bass (Fender Japan Jazz Bass Neck): 39mm

51-P-Bass%20Sideways.png


1954 Fender P Bass Replica: 44mm (work in progress)

photo234.jpg


1966 P Bass Replica (Fender Japan P Bass Neck): 42mm

Hot-Rod-Bass%20Sideways.png


1962 Fender Japan Jazz Bass Replica: 39mm

Jazz%20Sideways.png


Vintage Modified Telecaster: 44mm (work in progress)

photo1.jpg


1985 Stu Hamm Urge I: 41mm

Hamm%20Sideways.png


1985 Fender Japan PJM-65R P/J "Jazz Special": 38.5mm

$(KGrHqV,!rUFHNmJOmPUBR8NZDb!+w~~60_57.jpg


Not sure how valuable any of this is, but posted as requested.

BassHappy
www.innertainment.net
 
Spector Performer 5 - 1.75"
SpectorCore 5 - 1.75"
Spector Coda Pro 5 - 1.75"
Spector Legend Classic-5 - 1.75"
Spector ReBop-5 - 1.81"
Spector Euro5LX - 1.85"
Spector Coda-5DLX/XL - 1.87"
Spector NS-5H2 - 1.80" or 1.88" (Wide-5 model)
Spector Forte-5 - 1.81"
Spector NS-5 - 1.80"
Spector NS-5XL - 1.81"
 
Updated, except for BassHappy Replicas (awaiting confirmation).

Thank you TapyTap, BassHappy & KingRazor :bassist:


CURRENT LIST:

4 STRINGS
Alembic Classic: 1.75" (44.5mm)
Alembic Comfort: 1.625" (41.3mm)
Alembic Slender: 1.5" (38mm)
Andrew Drake "Wilma" - 1.653" (42mm)
Aslin Dane Jazz Copy - 1.62" (41.3mm)
Dean USA Hillsboro - 1.5" (38mm)
Eastwood Classic 4 - 1.5" (38mm)
Eastwood HiFlyer - 1.86" (47mm)
EBMM Bongo 4 - 1.625" (41.3 mm)
EBMM Ray 34 - 1.69" (43mm)
EBMM Sig.4 - 1.5" (38mm)
EBMM Sterling - 1.5" (38mm)
EBMM Stingray - 1.625" (41.3mm)
EBMM StingRay (1995) - 1.69" (42.9mm)
EBMM Stingray SLO - 1.5" (38mm)
EPI LTD Explorer = 1.662" (42.2mm)
Epiphone Jack Casady Signature - 1.65" (42mm)
Epiphone Thunderberd IV - 1.75" (44.5mm)
Epiphone Thunderbird pro-IV - 1.5" (38mm)
Epiphone Thunderbird (all 4 strings) - 1.5" (38mm)
Epiphone Toby Deluxe IV - 1.68" (42.67mm)
Epiphone Toby STandard IV - 1.68" (42.67mm)
ESP B-4 - 1.57" (40 mm)
ESP D-4 - 1.57" (40mm)
ESP LTD B-154DX - 1.57" (40mm)
ESP LTD B204SM - 1.57" (40mm)
ESP LTD B-4E - 1.65" (42mm)
ESP LTD EC-104 - 1.57" (40mm)
ESP LTD F-414FM - 1.65" (42mm)
ESP LTD FB-4 Frank Bello - 1.65" (42mm)
ESP LTD GC-4 - 1.57" (40mm)
ESP LTD PT-4 Pancho Tomaseli - 1.77" (45mm)
ESP LTD Vintage-204 - 1.65" (42mm)
Fender 59 Precision - 1.71" (43.5mm)
Fender 60 Classic Jazz - 1.5" (38mm)
Fender 62RI Jazz - 1.5" (38mm)
Fender 64 Jazz - 1.5" (38mm)
Fender 68 Telecaster - 1.75" (44.5mm)
Fender 70 Classic Jazz - 1.5" (38mm)
Fender 70s Precision - 1.62" (41.3mm)
Fender '82 MIA Bullet B30 - 1.625" (41.3mm)
Fender Aerodyne Jazz - 1.5" (38mm)
Fender American Deluxe Jazz - 1.5" (38mm)
Fender American Deluxe P-Bass - 1.62" (41.3mm)
Fender American Special Jazz - 1.5" (38mm)
Fender American Special P-Bass - 1.69" (43mm)
Fender Antigua Precision - 1.62" (41.3mm)
Fender AVRI '57 & '62 P-bass - 1.75" (44.5mm)
Fender Blacktop Jazz - 1.5" (38mm)
Fender Blacktop Precision - 1.62" (41.3mm)
Fender Coronado (New) - 1.625" (41.3 mm)
Fender Coronado (vintage) - 1.5" (38mm)
Fender Custom Shop '59 NOS P - 1.75" (44.5mm)
Fender Custom Shop Jazz - 1.5" (38mm)
Fender Dimension - 1.5625" (39.6mm)
Fender Duff McKagan P-Bass - 1.62" (41.3mm)
Fender HM - 1.5" (38mm)
Fender Jazz Bass (original) - 1.437" (36.5mm)
Fender Jazz Special (mid 80's MIJ) - 1.5" (38mm)
Fender Japan PJM-65R "Jazz Special" (1985) - 1.515" (38.5mm)
Fender Kingman AB - 1.5" (38mm)
Fender Limited Geddy Lee 1972 Jazz - 1.5" (38mm)
Fender Limited Gold Top Dusty Hill Precision - 1.5" (38mm)
Fender Mark Hoppus Jazz - 1.62" (41.3mm)
Fender Mike Dirnt Road Worn Precision - 1.59" (40.4mm)
Fender Modern Player Dimension - 1.5" (38mm)
Fender Modern Player Jaguar - 1.5" (38mm)
Fender Modern Player Jazz - 1.5" (38mm)
Fender Modern Player Jazz Satin - 1.5" (38mm)
Fender Modern Player Tele Bass - 1.62" (41.3mm)
Fender Precision Bass Special Deluxe Series - 1.5" (38mm)
Fender Precision Elite - 1.75" (44.5mm)
Fender Reggie Hamilton Jazz - 1.5" (38mm)
Fender Road Worn 50 P-Bass - 1.75" (44.5mm)
Fender Roger Waters Precision - 1.75" (44.5mm)
Fender Sean Hurley Signature 1961 Precision - 1.75" (44.45mm)
Fender Select Jazz - 1.5" (38mm)
Fender Select Precision - 1.62" (41.3mm)
Fender Standard Jazz - 1.5" (38mm)
Fender Starcaster (New) - 1.625" (41.3mm)
Fender Steve Harris P-Bass - 1.75" (44.5mm)
Fender Troy Sanders Jaguar - 1.5" (38mm)
Fender Vintage Hot Rod '60s Precision - 1.625" (41.3mm)
Fender Vintage Hot Rod '70s Jazz - 1.5" (38mm)
G&L 2012 Special M-2000 - 1.75" (44.5mm)
G&L Asat Semi Hollow - 1.5" (38mm)
G&L L-2000 - 1.79" (45.5mm)
G&L Tribute L-2000 - 1.75" (44.5mm)
G&L Tribute L2000 (2012/13) - 1.692" (43mm)
G&L Tribute JB-2 - 1.5" (38mm)
G&L Tribute SB-2 - 1.5" (38mm)
Gibson EB-2 (vintage) - 1.60" (42mm)
Gibson EB-3 (1973) - 1.562" (39.7mm)
Gibson Les Paul Oversized - 1.6" (40.6mm)
Gibson SG-Bass - 1.60" (42mm)
Godin Shifter Bass - 1.5" (38,1mm)
Gretsch G5440LSB Electromatic - 1.69" (43mm)
Gretsch White Falcon - 1.28" (32.5mm)
Guild Starfire Reissue - 1.5" (38mm)
Harley Benton HBZ-2004 - 1.57" (40mm)
Harley Benton JB-20 Standard - 1.5" (38mm)
Harley Benton PB-20 - 1.65" (42mm)
Harley Benton PJ-4 Deluxe - 1.65" (42mm)
Herby Custom Bass (MIJ. Ric copy 60's/70's) - 1.662" (42.2mm)
Hohner HAB-50 PS ABG - 1.668" (42.4mm)
Höfner 182 - 1.808" (45.9mm)
Hofner 500/1 - 1.65" (42mm)
Hofner Shorty - 1.69" (43mm)
Ibanez AEB10 - 1.687" (42.84mm)
Ibanez AGB140 - 1.533" (39.4mm)
Ibanez GATK20 (2010-2011) - 1.673" (42.5mm)
Ibanez GSR200fm - 1.5625" (39.7mm)
Ibanez SR4 - 1.5" (38mm)
Ibanez SR500 (2009) - 1.437" (36.5mm)
Ibanez SRA500/SRA550 - 1.5" (38mm)
Ibanez SR600 - 1.5" (38mm)
Jack & Danny Jazz Bass - 1.5" (38mm)
Jackson C20 - 1.625" (41.3mm)
Jolana Diamant (Zech. LP) - 1.789" (45.7mm)
Lakland 44-64 Custom - 1.5" (38mm)
Lakland Skyline 44-01 - 1.65" (42mm)
Lakland USA Duck Dunn - 1.5" (38mm)
Mighty mite Jazz replacement neck (maple fingerboard) - 1,5" (38mm)
Mighty mite Precision replacement neck (maple fingerboard) - 1.62" (41,3mm)
Mike Lull P4 w/Jazz neck - 1.5" (38mm)
Peavey Patriot (1985) - 1.6875" (42.86mm)
Peavey T-20 (1982) - 1.6875" (42.86mm)
Peavey T-40 (1979) - 1.6875" (42.86mm)
PRS #11 - 1.692" (43mm)
Rickenbacker 4001 (1979) - 1.71" (43.5mm)
Rickenbacker 4001 (March 1973) - 1.625" (41.3mm)
Rickenbacker 4001V63 (April 1998) - 1.718" (43.6mm)
Rickenbacker 4004 Laredo (NAMM Show instrument-December 2011) - 1.687" (42.8mm)
Rick Turner Renaissance RB4FL (2005-NAMM Show instrument) - 1.5" (38mm)
Rob Allen Mouse - 1.653" (42mm)
Roscoe Custom "Birdie" - 1.653" (42mm)
Roscoe Custom "Bucky" - 1.811" (46mm)
Sadowsky Metro RV4-WL - 1.45" (37mm)
Sadowsky NYC J4 - 1.5" (38mm)
Sadowsky NYC Will Lee - 1.45" (37mm)
Schecter Raiden Special 4 - 1.5625" (39.7mm)
Schecter Stiletto Extreme 4 = 1.5" (38mm)
Spector Forte-4 - 1.61" (41mm)
Spector Legend 4 (1st Gen.) - 1.565" (39.75mm)
Spector Legend CLS - 1.5625" (39.7mm)
Spector Legend NS-2 - 1.5" (38mm)
Spector NS-2JA-R - 1.65" (42mm)
Squier Affinity Jazz - 1.5" (38mm)
Squier Affinity P-Bass - 1.62" (41.3mm)
Squier Classic Vibe Jazz - 1.5" (38mm)
Squier Classic Vibe P-Bass 50 - 1.65" (42mm)
Squier Classic Vibe 60s P-Bass - 1.62" (41.3mm)
Squier Matt Freeman P-Bass - 1.65" (42mm)
Squier Mike Dirnt Precision - 1.65" (42mm)
Squier Mikey Way Mustang - 1.5" (38mm)
Squier Troy Sanders Jaguar - 1.5" (38mm)
Squier Vintage Modified Cabronita Precision Bass - 1.625" (41.3mm)
Squier Vintage Modified Fretless Jazz - 1.5" (38mm)
Squier Vintage Modified Jaguar "Standard" - 1.5" (38mm)
Squier Vintage Modified Jazz - 1.5" (38mm)
Squier Vintage Modified Jazz '70S - 1.5" (38mm)
Squier Vintage Modified Jazz '77 - 1.5" (38mm)
Squier Vintage Modified Precision - 1.62" (41.1mm)
Squier Vintage Modified Precision Fretless - 1.625" (41.3mm)
Squier Vintage Modified Precision PJ - 1.625" (41.3mm)
Squier Vintage Modified Precision TB - 1.59" (40.5mm)
Squier Vintage Modified Telecaster - 1.732" (44mm)
Stu Hamm Urge I (1985) - 1.614" (41mm)
Suhr Classic J - 1.5" (38mm)
SX Ursa 1 - 1.625" (42mm)
Traben Standard 4 - 1.5" (38mm)
Viola Bass with Variax transplant - 1.712" 43.5mm
Warwick Alien - 1.535" (39mm)
Warwick Buzzard - 1.73" (44mm)
Warwick Corvette 4 = 1.5" (38mm)
Warwick Corvette 4 $$ = 1.5" (38mm)
Warwick Dolphin - 1.73" (44mm)
Warwick Streamer 4 = 1.5" (38mm)
Warwick Stryker - 1.73" (44mm)
Warwick "Other 4 Models" - 1.515" (38.5mm)
Warwick Thumb NT4 (2013) - 1.51" (38.4mm)
Washburn SHB40 = 1.65" (42mm)
Washburn T24 = 1.589" (40.4mm)
Yamaha BB Series (424 to 2024) - 1.57" (40mm)

5 STRINGS
Alembic Classic - 2.00" (50.8mm)
Alembic Comfort - 1.875" (47.6mm)
Carvin LB75 (1991) - 1.71" (43.5mm)
Conklin Groove Tools GT-5 - 1.751" (44.5mm)
EBMM Stingray 5 - 1.75" (44.45mm)
Epiphone Thunderbird (all 5 strings) 1.73" - (43.94mm)
ESP B55 - 1.692" (43mm)
ESP LTD B-105 - 1.77" (45mm)
ESP LTD B-155DX - 1.77" (45mm)
ESP LTD B-335 - 1.77" (45mm)
ESP LTD B205SM - 1.77" (45mm)
ESP D5 - 1.771" (45mm)
ESP LTD F-105 - 1.77" (45mm)
ESP LTD F-5E - 1.85" (47mm)
ESP Surveyor 5 - 1.5" (38mm)
Fender American Deluxe Jazz V - 1.875" (47.6mm)
Fender Modern Player Jazz V Satin - 1.875" (47.6mm)
Fender Standard Jazz V - 1.85" (47mm)
G&L L-2500 - 1.75" (44.5mm)
G&L Tribute L-2500 - 1.75" (44.5mm)
Harley Benton B-500 Modern Series - 1.77" (45mm)
Harley Benton HBZ-2005 - 1.77" (45mm)
Harley Benton PJ-5 Deluxe - 1.77 "(45mm)
Ibanez ATK305 – 1.75” (44.5mm)
Ibanez BTB 675 - 1.85" (47mm)
Ibanez Gary Willis Signature GWB1 - 1.75" (44.5mm)
Ibanez Gary Willis Signature GWB2 - 1.75" (44.5mm)
Ibanez SR1205-VNF - 1.77" (45mm)
Ibanez SR5 - 1.77" (45mm)
Lakland 55-94 - 1.80" (45.7mm)
Lightwave Saber SL 5 (fretted) – 1.75” (44.5mm)
Martin Keith Elfin 5 fretless (2010-NAMM Show instrument) - 1.875" (47.6mm)
Martin Keith Elfin 5 (2011) - 1.875" (47.6mm)
Modulus Q5 - 1.85" (47mm)
Modulus Q5W19 - 1.90" (48.26mm)
Modulus Q5W21 - 2.00" (50.8mm)
MPG Level-5 Fretless - 1.81" (45.97mm)
Spector Coda-5DLX/XL - 1.87" (47.6mm)
Spector Coda Pro 5 - 1.75" (44.45mm)
Spector Core 5 - 1.75" (44.45mm)
Spector Euro5LX - 1.85" (46.99mm)
Spector Forte-5 - 1.81" (45.97mm)
Spector Legend Classic-5 - 1.75" (44.45mm)
Spector NS-5 - 1.80" (45.72mm)
Spector NS-5H2 (Wide-5 model) - 1.80" (45.72mm) or 1.88" (47.75mm)
Spector NS-5XL - 1.81" (45.97mm)
Spector Performer 5 - 1.75" (44.45mm)
Spector ReBop-5 - 1.81" (45.97mm)
Squier Affinity Jazz V - 1.87" (47.6mm)
Squier Deluxe Jazz V - 2" (51mm)
Squier Vintage Modified Jazz V - 1.87" (47.6mm)
Vintage Modified Precision V - 1.875" (47.6mm)
Steinberger Spirit 5 circa 2010, 1.75" (44.5mm)
Steinberger Synapse - 1.77" (44.96mm) @ 0 fret
Traben Array 5 - 1.78" (45.2mm)
Traben Array Limited - 1.78" (45.2mm)
Traben Chaos Core 5 - 1.78" (45.2mm)
Traben Standard 5 - 1.5" (38mm)
Wal 5-String Mark IIs - 1.85" (47mm)
Wal 5-String Mark IIIs - 1.85" (47mm)
Warwick "All 5 Models" - 1.771" (45mm) or 1.85" (47mm)
Yamaha BB415 - 1.653" (42mm)
Yamaha BBNE1/BBEAST - 1.875" (47.62mm)
Zon 5/1 (circa 1996) - 1.85" (47mm)

6 STRINGS
Harley Benton HBB600TBK - 2.175" (55.2mm)
Harley Benton HBB6000 - 2.095" (53.2mm)
Roscoe 3006 - 2.150" (54.61mm)
Squier Vintage Modified Bass VI - 1.65" (42mm)
Warwick "All 6 Models" - 2.047" (52mm) or 2.165" (55mm)
 
Updated again, thanks Lilduke!

CURRENT LIST:

4 STRINGS

Alembic Classic: 1.75" (44.5mm)
Alembic Comfort: 1.625" (41.3mm)
Alembic Slender: 1.5" (38mm)
Andrew Drake "Wilma" - 1.653" (42mm)
Aslin Dane Jazz Copy - 1.62" (41.3mm)
Dean USA Hillsboro - 1.5" (38mm)
Eastwood Classic 4 - 1.5" (38mm)
Eastwood HiFlyer - 1.86" (47mm)
EBMM Bongo 4 - 1.625" (41.3 mm)
EBMM Ray 34 - 1.69" (43mm)
EBMM Sig.4 - 1.5" (38mm)
EBMM Sterling - 1.5" (38mm)
EBMM Stingray - 1.625" (41.3mm)
EBMM StingRay (1995) - 1.69" (42.9mm)
EBMM Stingray SLO - 1.5" (38mm)
EPI LTD Explorer = 1.662" (42.2mm)
Epiphone Jack Casady Signature - 1.65" (42mm)
Epiphone Thunderberd IV - 1.75" (44.5mm)
Epiphone Thunderbird pro-IV - 1.5" (38mm)
Epiphone Thunderbird (all 4 strings) - 1.5" (38mm)
Epiphone Toby Deluxe IV - 1.68" (42.67mm)
Epiphone Toby STandard IV - 1.68" (42.67mm)
ESP B-4 - 1.57" (40 mm)
ESP D-4 - 1.57" (40mm)
ESP LTD B-154DX - 1.57" (40mm)
ESP LTD B204SM - 1.57" (40mm)
ESP LTD B-4E - 1.65" (42mm)
ESP LTD EC-104 - 1.57" (40mm)
ESP LTD F-414FM - 1.65" (42mm)
ESP LTD FB-4 Frank Bello - 1.65" (42mm)
ESP LTD GC-4 - 1.57" (40mm)
ESP LTD PT-4 Pancho Tomaseli - 1.77" (45mm)
ESP LTD Vintage-204 - 1.65" (42mm)
Fender 59 Precision - 1.71" (43.5mm)
Fender 60 Classic Jazz - 1.5" (38mm)
Fender 62RI Jazz - 1.5" (38mm)
Fender 64 Jazz - 1.5" (38mm)
Fender 68 Telecaster - 1.75" (44.5mm)
Fender 70 Classic Jazz - 1.5" (38mm)
Fender 70s Precision - 1.62" (41.3mm)
Fender '82 MIA Bullet B30 - 1.625" (41.3mm)
Fender Aerodyne Jazz - 1.5" (38mm)
Fender American Deluxe Jazz - 1.5" (38mm)
Fender American Deluxe P-Bass - 1.62" (41.3mm)
Fender American Special Jazz - 1.5" (38mm)
Fender American Special P-Bass - 1.69" (43mm)
Fender Antigua Precision - 1.62" (41.3mm)
Fender AVRI '57 & '62 P-bass - 1.75" (44.5mm)
Fender Blacktop Jazz - 1.5" (38mm)
Fender Blacktop Precision - 1.62" (41.3mm)
Fender Coronado (New) - 1.625" (41.3 mm)
Fender Coronado (vintage) - 1.5" (38mm)
Fender Custom Shop '59 NOS P - 1.75" (44.5mm)
Fender Custom Shop Jazz - 1.5" (38mm)
Fender Dimension - 1.5625" (39.6mm)
Fender Duff McKagan P-Bass - 1.62" (41.3mm)
Fender HM - 1.5" (38mm)
Fender Jazz Bass (original) - 1.437" (36.5mm)
Fender Jazz Special (mid 80's MIJ) - 1.5" (38mm)
Fender Japan PJM-65R "Jazz Special" (1985) - 1.515" (38.5mm)
Fender Kingman AB - 1.5" (38mm)
Fender Limited Geddy Lee 1972 Jazz - 1.5" (38mm)
Fender Limited Gold Top Dusty Hill Precision - 1.5" (38mm)
Fender Mark Hoppus Jazz - 1.62" (41.3mm)
Fender Mike Dirnt Road Worn Precision - 1.59" (40.4mm)
Fender Modern Player Dimension - 1.5" (38mm)
Fender Modern Player Jaguar - 1.5" (38mm)
Fender Modern Player Jazz - 1.5" (38mm)
Fender Modern Player Jazz Satin - 1.5" (38mm)
Fender Modern Player Tele Bass - 1.62" (41.3mm)
Fender Precision Bass Special Deluxe Series - 1.5" (38mm)
Fender Precision Elite - 1.75" (44.5mm)
Fender Reggie Hamilton Jazz - 1.5" (38mm)
Fender Road Worn 50 P-Bass - 1.75" (44.5mm)
Fender Roger Waters Precision - 1.75" (44.5mm)
Fender Sean Hurley Signature 1961 Precision - 1.75" (44.45mm)
Fender Select Jazz - 1.5" (38mm)
Fender Select Precision - 1.62" (41.3mm)
Fender Standard Jazz - 1.5" (38mm)
Fender Starcaster (New) - 1.625" (41.3mm)
Fender Steve Harris P-Bass - 1.75" (44.5mm)
Fender Troy Sanders Jaguar - 1.5" (38mm)
Fender Vintage Hot Rod '60s Precision - 1.625" (41.3mm)
Fender Vintage Hot Rod '70s Jazz - 1.5" (38mm)
G&L 2012 Special M-2000 - 1.75" (44.5mm)
G&L Asat Semi Hollow - 1.5" (38mm)
G&L L-2000 - 1.79" (45.5mm)
G&L Tribute L-2000 - 1.75" (44.5mm)
G&L Tribute L2000 (2012/13) - 1.692" (43mm)
G&L Tribute JB-2 - 1.5" (38mm)
G&L Tribute SB-2 - 1.5" (38mm)
Gibson EB-2 (vintage) - 1.60" (42mm)
Gibson EB-3 (1973) - 1.562" (39.7mm)
Gibson Les Paul Oversized - 1.6" (40.6mm)
Gibson SG-Bass - 1.60" (42mm)
Godin Shifter Bass - 1.5" (38,1mm)
Gretsch G5440LSB Electromatic - 1.69" (43mm)
Gretsch White Falcon - 1.28" (32.5mm)
Guild Starfire Reissue - 1.5" (38mm)
Harley Benton HBZ-2004 - 1.57" (40mm)
Harley Benton JB-20 Standard - 1.5" (38mm)
Harley Benton PB-20 - 1.65" (42mm)
Harley Benton PJ-4 Deluxe - 1.65" (42mm)
Herby Custom Bass (MIJ. Ric copy 60's/70's) - 1.662" (42.2mm)
Hohner HAB-50 PS ABG - 1.668" (42.4mm)
Höfner 182 - 1.808" (45.9mm)
Hofner 500/1 - 1.65" (42mm)
Hofner Shorty - 1.69" (43mm)
Ibanez AEB10 - 1.687" (42.84mm)
Ibanez AGB140 - 1.533" (39.4mm)
Ibanez GATK20 (2010-2011) - 1.673" (42.5mm)
Ibanez GSR200fm - 1.5625" (39.7mm)
Ibanez SR4 - 1.5" (38mm)
Ibanez SR500 (2009) - 1.437" (36.5mm)
Ibanez SRA500/SRA550 - 1.5" (38mm)
Ibanez SR600 - 1.5" (38mm)
Jack & Danny Jazz Bass - 1.5" (38mm)
Jackson C20 - 1.625" (41.3mm)
Jolana Diamant (Zech. LP) - 1.789" (45.7mm)
Lakland 44-64 Custom - 1.5" (38mm)
Lakland Skyline 44-01 - 1.65" (42mm)
Lakland USA Duck Dunn - 1.5" (38mm)
Mighty mite Jazz replacement neck (maple fingerboard) - 1,5" (38mm)
Mighty mite Precision replacement neck (maple fingerboard) - 1.62" (41,3mm)
Mike Lull P4 w/Jazz neck - 1.5" (38mm)
Peavey Patriot (1985) - 1.6875" (42.86mm)
Peavey T-20 (1982) - 1.6875" (42.86mm)
Peavey T-40 (1979) - 1.6875" (42.86mm)
PRS #11 - 1.692" (43mm)
Rickenbacker 4001 (1979) - 1.71" (43.5mm)
Rickenbacker 4001 (March 1973) - 1.625" (41.3mm)
Rickenbacker 4001V63 (April 1998) - 1.718" (43.6mm)
Rickenbacker 4004 Laredo (NAMM Show instrument-December 2011) - 1.687" (42.8mm)
Rick Turner Renaissance RB4FL (2005-NAMM Show instrument) - 1.5" (38mm)
Rob Allen Mouse - 1.653" (42mm)
Roscoe Custom "Birdie" - 1.653" (42mm)
Roscoe Custom "Bucky" - 1.811" (46mm)
Sadowsky Metro RV4-WL - 1.45" (37mm)
Sadowsky NYC J4 - 1.5" (38mm)
Sadowsky NYC Will Lee - 1.45" (37mm)
Schecter Raiden Special 4 - 1.5625" (39.7mm)
Schecter Stiletto Extreme 4 = 1.5" (38mm)
Spector Forte-4 - 1.61" (41mm)
Spector Legend 4 (1st Gen.) - 1.565" (39.75mm)
Spector Legend CLS - 1.5625" (39.7mm)
Spector Legend NS-2 - 1.5" (38mm)
Spector NS-2JA-R - 1.65" (42mm)
Squier Affinity Jazz - 1.5" (38mm)
Squier Affinity P-Bass - 1.62" (41.3mm)
Squier Classic Vibe Jazz - 1.5" (38mm)
Squier Classic Vibe P-Bass 50 - 1.65" (42mm)
Squier Classic Vibe 60s P-Bass - 1.62" (41.3mm)
Squier Matt Freeman P-Bass - 1.65" (42mm)
Squier Mike Dirnt Precision - 1.65" (42mm)
Squier Mikey Way Mustang - 1.5" (38mm)
Squier Troy Sanders Jaguar - 1.5" (38mm)
Squier Vintage Modified Cabronita Precision Bass - 1.625" (41.3mm)
Squier Vintage Modified Fretless Jazz - 1.5" (38mm)
Squier Vintage Modified Jaguar "Standard" - 1.5" (38mm)
Squier Vintage Modified Jazz - 1.5" (38mm)
Squier Vintage Modified Jazz '70S - 1.5" (38mm)
Squier Vintage Modified Jazz '77 - 1.5" (38mm)
Squier Vintage Modified Precision - 1.62" (41.1mm)
Squier Vintage Modified Precision Fretless - 1.625" (41.3mm)
Squier Vintage Modified Precision PJ - 1.625" (41.3mm)
Squier Vintage Modified Precision TB - 1.59" (40.5mm)
Squier Vintage Modified Telecaster - 1.732" (44mm)
Squier Vintage Modified Telecaster Bass IV - 1.7" (43.2 mm)
Stu Hamm Urge I (1985) - 1.614" (41mm)
Suhr Classic J - 1.5" (38mm)
SX Ursa 1 - 1.625" (42mm)
Traben Standard 4 - 1.5" (38mm)
Viola Bass with Variax transplant - 1.712" 43.5mm
Warwick Alien - 1.535" (39mm)
Warwick Buzzard - 1.73" (44mm)
Warwick Corvette 4 = 1.5" (38mm)
Warwick Corvette 4 $$ = 1.5" (38mm)
Warwick Dolphin - 1.73" (44mm)
Warwick Streamer 4 = 1.5" (38mm)
Warwick Stryker - 1.73" (44mm)
Warwick "Other 4 Models" - 1.515" (38.5mm)
Warwick Thumb NT4 (2013) - 1.51" (38.4mm)
Washburn SHB40 = 1.65" (42mm)
Washburn T24 = 1.589" (40.4mm)
Yamaha BB Series (424 to 2024) - 1.57" (40mm)

5 STRINGS
Alembic Classic - 2.00" (50.8mm)
Alembic Comfort - 1.875" (47.6mm)
Carvin LB75 (1991) - 1.71" (43.5mm)
Conklin Groove Tools GT-5 - 1.751" (44.5mm)
EBMM Stingray 5 - 1.75" (44.45mm)
Epiphone Thunderbird (all 5 strings) 1.73" - (43.94mm)
ESP B55 - 1.692" (43mm)
ESP LTD B-105 - 1.77" (45mm)
ESP LTD B-155DX - 1.77" (45mm)
ESP LTD B-335 - 1.77" (45mm)
ESP LTD B205SM - 1.77" (45mm)
ESP D5 - 1.771" (45mm)
ESP LTD F-105 - 1.77" (45mm)
ESP LTD F-5E - 1.85" (47mm)
ESP Surveyor 5 - 1.5" (38mm)
Fender American Deluxe Jazz V - 1.875" (47.6mm)
Fender Modern Player Jazz V Satin - 1.875" (47.6mm)
Fender Standard Jazz V - 1.85" (47mm)
G&L L-2500 - 1.75" (44.5mm)
G&L Tribute L-2500 - 1.75" (44.5mm)
Harley Benton B-500 Modern Series - 1.77" (45mm)
Harley Benton HBZ-2005 - 1.77" (45mm)
Harley Benton PJ-5 Deluxe - 1.77 "(45mm)
Ibanez ATK305 – 1.75” (44.5mm)
Ibanez BTB 675 - 1.85" (47mm)
Ibanez Gary Willis Signature GWB1 - 1.75" (44.5mm)
Ibanez Gary Willis Signature GWB2 - 1.75" (44.5mm)
Ibanez SR1205-VNF - 1.77" (45mm)
Ibanez SR5 - 1.77" (45mm)
Lakland 55-94 - 1.80" (45.7mm)
Lightwave Saber SL 5 (fretted) – 1.75” (44.5mm)
Martin Keith Elfin 5 fretless (2010-NAMM Show instrument) - 1.875" (47.6mm)
Martin Keith Elfin 5 (2011) - 1.875" (47.6mm)
Modulus Q5 - 1.85" (47mm)
Modulus Q5W19 - 1.90" (48.26mm)
Modulus Q5W21 - 2.00" (50.8mm)
MPG Level-5 Fretless - 1.81" (45.97mm)
Spector Coda-5DLX/XL - 1.87" (47.6mm)
Spector Coda Pro 5 - 1.75" (44.45mm)
Spector Core 5 - 1.75" (44.45mm)
Spector Euro5LX - 1.85" (46.99mm)
Spector Forte-5 - 1.81" (45.97mm)
Spector Legend Classic-5 - 1.75" (44.45mm)
Spector NS-5 - 1.80" (45.72mm)
Spector NS-5H2 (Wide-5 model) - 1.80" (45.72mm) or 1.88" (47.75mm)
Spector NS-5XL - 1.81" (45.97mm)
Spector Performer 5 - 1.75" (44.45mm)
Spector ReBop-5 - 1.81" (45.97mm)
Squier Affinity Jazz V - 1.87" (47.6mm)
Squier Deluxe Jazz V - 2" (51mm)
Squier Vintage Modified Jazz V - 1.87" (47.6mm)
Vintage Modified Precision V - 1.875" (47.6mm)
Steinberger Spirit 5 circa 2010, 1.75" (44.5mm)
Steinberger Synapse - 1.77" (44.96mm) @ 0 fret
Traben Array 5 - 1.78" (45.2mm)
Traben Array Limited - 1.78" (45.2mm)
Traben Chaos Core 5 - 1.78" (45.2mm)
Traben Standard 5 - 1.5" (38mm)
Wal 5-String Mark IIs - 1.85" (47mm)
Wal 5-String Mark IIIs - 1.85" (47mm)
Warwick "All 5 Models" - 1.771" (45mm) or 1.85" (47mm)
Yamaha BB415 - 1.653" (42mm)
Yamaha BBNE1/BBEAST - 1.875" (47.62mm)
Zon 5/1 (circa 1996) - 1.85" (47mm)

6 STRINGS
Harley Benton HBB600TBK - 2.175" (55.2mm)
Harley Benton HBB6000 - 2.095" (53.2mm)
Roscoe 3006 - 2.150" (54.61mm)
Squier Vintage Modified Bass VI - 1.65" (42mm)
Warwick "All 6 Models" - 2.047" (52mm) or 2.165" (55mm)
 
@BassHappy: Thank you for all the info you posted, it is much appreciated!!

However, under what brand name should I list the replicas?

Hey JAC

You kind of have me stumped. I don't know the rules for this stuff.

The 1966 P Bass and 1962 Jazz are 100% Fender (Japan). I had the P Bass body painted added a new control cover and new knobs, and a Basslines split coil - but everything else on the black P Bass is stock Fender Japan from 1986 in medium scale. I was going for the late 1965-early 1966 vibe, so I call it a 1966 replica.

The tele bass is 100% Fender Squier VM with a laminated top. It will also have an ETS stop tail bridge with piezos.

The 1951 and 1954 P basses have bodies I had made for me out of necessity - but the necks are 100% Fender.

The viola bass is my design and I had it built for me - and I haven't yet come up with a name. Plus there wasn't a conventional headstock so no room for a decal or anything.

Best I can do....

BassHappy
www.innertainment.net
 
Epiphone EB-0 1.5"

Peavey Milestone III jazz bass 38mm

Peavey Milestone IV P Bass 37mm / not sure why it's 1mm narrower than the jazz but checked it twice with digital calipers and a slide rule.

Peavey Millenium BXP Jazz 1.5"

BC Rich Warlock Platinum series 42mm