Toggle switch knob Aftermarket part - not Genuine Gibson part 2 Metric sizes(M4x0.7 & M3.5x0.6 threads) for most import guitars Includes one of each size(2 switch tip knobs) Available in Black, Amber, Cream, and White - A SLIGHT VARIATION IN SIZE AND COLOR THAN WHAT IS PICTURED IS POSSIBLE BASED ON WHAT WE GET FROM OUR SUPPLIERS. Size examples for threaded toggle switch knobs: M3.0 x .5 - rare - switch diameter is 3mm or approx. 7/64" M3.5 x .6 - common Epiphone - switch lever diameter is 3.5mm or approx. 1/8"<- This is the one being sold here M4.0 x .7 - common Japanese switch - switch lever diameter is 4mm or approx. 5/32"<- This is the one being sold here SAE 8-32 - common US Gibson(except Studio/Tribute models) - switch lever diameter is approx.  4mm or 5/32"  **M4x.7 and SAE 8-32 are the same diameter but have a different thread pitch.  They are not interchangeable.

Size examples for threaded toggle switch knobs:

**M4x.7 and SAE 8-32 are the same diameter but have a different thread pitch.  They are not interchangeable.