Heavy Duty 2 Position: Off - Momentary On. Normally Off. Fits panels up to 1" thick. Insulated. 25A @ 6V DC. 15A @ 12V DC. Supplied with chrome plated brass face nut, brass washer and back-up nut. Stainless steel springs. 2-7/8" Length. Mounting Stem 1-1/4"L, 5/8" - 32 thread dia.