WD Music 3-Way Mini Switch On/On/On DPDT Mounting Hardware Included Chrome WDE11 Mini switch double pole, double throw, 3 position on/on/on. All mini switches have round actuator levers, and come complete with mounting nuts and washers. Length of threaded bushing: 5/16" Bushing Diameter: 1/4"; Cavity Depth: 5/8" Color: Chrome