Heavy Duty 2 Position: Off - Momentary On Normally "Off" S.P.S.T. 6V-36V DC Non-corrosive construction Gasket sealed case protects against moisture and dust Molded plastic insulator with protective barrier between terminals Black moisture repellent rubber button cover Silver contacts Mounting stem: 1-3/8"L (3.49cm), 5/8" - 32 thread dia. Fits panel thru 1" (2.54cm)