Knurled metal toggle switch knob  Aftermarket part - not Genuine Gibson part SAE 8-32 thread size for USA guitars with Switchcraft toggle switches Available in Gold, Nickel, and Non-plated aluminum This is for 1 switch tip *Some Gibson Studio and Tribute models use a metric toggle switch.  If you have one of these models please check before ordering. 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" M4.0 x .7 - common Japanese switch - switch lever diameter is 4mm or approx. 5/32" SAE 8-32 - common US Gibson(except Studio/Tribute models) - switch lever diameter is approx.  4mm or 5/32" <- this is the one being sold here **M4x.7 and SAE 8-32 are the same diameter but have a different thread pitch.  They are not interchangeable.

*Some Gibson Studio and Tribute models use a metric toggle switch.  If you have one of these models please check before ordering.

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.