#12B Stereo Input Jack with Nut and Washer
1/4 Input Jack, Stereo, Switchcraft 12B, with nut and washer. A stereo input jack is used for stereo wiring, or to turn on/off onboard active systems when the plug is inserted. Requires 3/8"-diameter mounting hole; 3/8 x 32 threaded portion is 1/4" long.