From the Lakland site:
Q. Which hex wrench sizes are needed to make adjustments to my bass?
US series truss rod: 5/32"
US series bridge saddle height adjustment: 1/16"
Skyline series truss rod: 4mm
Skyline series bridge saddle height adjustment: 1.5mm
Q. Which hex wrench sizes are needed to make adjustments to my bass?
US series truss rod: 5/32"
US series bridge saddle height adjustment: 1/16"
Skyline series truss rod: 4mm
Skyline series bridge saddle height adjustment: 1.5mm