1 Volume and 1 Tone, Jazzmaster Witch Hat Knob for 1/4" CTS  Solid shaft potentiometers

It is with the metal 
aluminium insert for long life use.

Pack:2PCS(1 volume and 1 tone),please choose the color.

Pls check the fitting and not fitting potentiometers as belows:

***Not Fit Knurling shaft CTS,Fender,Gibson etc...inch Knurling shaft pots
***Fit Solid shaft CTS,Fender,Gibson etc...inch 1/4"(6.35mm) dimater Solid shaft pots.
***Not Fit Knurling shaft Asian made pots....metric Knurling shaft pots.
***Not  fit Solid shaft Asian made pots....metric Solid shaft pots.

What is the Knurling shaft and Solid shaft?Pls find it as belows photo: