Two sets of Seymour Duncan Quarter Pounder Jazz Bass Pickups (Neck SJB-3n & Bridge SJB-3b) mounting screws included: Each set $75 shipped in the US. Schaller BML Bass Tuners, Set of 4, Chrome; screws included: $45 shipped in the US. Fender Deluxe Cast Bass Tuners, Set of 4, Chrome: $122 shipped in the US. Two Leo Quan Bad Ass II Bass Bridges: $65 each shipped in the US. ACG EQ01 Filter Preamp with 4 Stacked Knobs: 2 Low pass filters (one per pick up), and one High pass filter Knob Configuration: Stacked Volume/Blend - Stacked Lowpass filter for neck pickup - Stacked Lowpass filter for bridge pickup - Stacked Highpass filter. Lower ring knob is an 8mm internal diameter, upper ring knob is an 6mm internal diameter.One set of knobs has dots; the other does not. Output jack and wires (not shown) included. $255 each Shipped in the US. SKB Bass Case: Nice, no cracks or other damage. $70 Shipped in the US; $50 if picked up locally.