Description: Use this wiring harness for jazz bass guitar with One Volume/ Two Tones. This harness is completely prewired. All you need to do is solder your pickups Full Size Pots with 18mm Shafts Base Dia:16mm .047 capacitors Input Jack. 1 x A500k 2 x B500k Pots with 18mm Shafts/Base Dia:16mm,068uf capacitors Features: Jack is copper sleeve, low noise, durable Package Includes: 1 x JB bass Wiring Harness-Prewired set Note: Item's color might be different from the picture because of the aberration