1 circuit. Normally off. 2 positions: Off/On. Chrome plated brass knob face dia: 7/8". Features non-corrosive construction. Gasket sealed case protects against moisture and dust. Brass mounting stem: 3/8" -32 x 1-1/4"L complete with chrome plated brass knob & face nut, washer, and hex nut for mounting. Mount in panels up to 1" thick. Rating 10A @ 12VDC. 6-36VDC. Brass housing. Boxed.