The Dunlop Hot Potz II 100K Crybaby Potentiometer for the Crybaby.

Push/Pull Actuator Switch Used For Single Coil Pickups. Provides Capability For Such Applications As Coil Tapping, Splitting, And Phasing. Metric Thread And Splines - Length Of Threaded Bushing 3/8 In. - Length Of Shaft 3/8 In.