Dopro after market American #8-32 thread switch tips for USA Gibson and Fender guitars with Switchcraft toggle switches or other American 8-32 threaded switches Direct fit for Switchcraft toggle switches; DO NOT fit Epiphone guitars which use metric threaded switches. Some Gibson Studio and Tribute models use a metric toggle switch. If you have one of these models please check before ordering Well made, sturdy and right threading; Deep enough thread, cap will screw all the way down to the switch shaft end These caps DO NOT compatible with Epiphone Les Pauls or import guitars with metric threaded switches, most metric threaded switches are made in Asian countries, metric M4 and SAE 8-32 are the same diameter but have a different thread pitch.They are not interchangeable Please double verify the thread type of your switch before ordering, please note the package DO NOT include any switches Dopro 10-Pack American #8-32 Thread 3 Way Toggle Switch Cap Switch Tip Knob for USA Gibson Pickup Selector Switch/Switchcraft Switch Red