Allparts PK 0174-023 3-Piece Jazz Bass Knob Kit

High Quality Fender® Style Bass Knobs Fits USA solid shaft pots. It is important that the knobs match the pots used or damage can result to both. The three common size pots used on guitars are - 1) USA split shaft (fine knurled) used on most American and Mexican guitars 2) Metric split shaft (coarse knurled) used on most Japanese and Asian guitars 3) Solid 1/4" shaft used on several popular models including most Tele® & Mustang® guitars and Fender® basses