WD Music 2-Way Mini Switch On/On DPDT Also used for On/Off Hardware Inc WDE9 Mini switch double pole, double throw, 2 position on/on (also used for on/off). All mini switches have round actuator levers, and come complete with mounting nuts and washers. 5/8 cavity depth. Length of threaded bushing: 5/16" Bushing Diameter: 1/4"; Cavity Depth: 5/8" Color: Chrome