Pls check the fitting and not fitting potentiometers as belows:
***Fits Knurling shaft CTS,Fender,Gibson etc...inch Knurling shaft pots
***Not Fit Solid shaft CTS,Fender,Gibson etc...inch 1/4"(6.35mm) dimater Solid shaft pots.
***Fits 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: