Push Push 500K Audio Potentiometer500K ohm Audio TaperDPDT switchFine splined3/8″ (9.5mm) diameter mounting shaft3/8″ (9.7mm) threaded shaft length1 1/16″ (27mm) mounting depthIncludes mounting washer and nutSlightly different than the common push-pull pot. Instead of pulling the knob, you push the knob to activate.