SPST illuminated handle.11/16" (17.5mm) long. Up: On/Red, Down: Off/White. Four blade terminal, .250" blade O-ring seal in bushing. Silver contacts. Mounting stem 15/32" -32 thread, 15/32" (11.9mm) long, fits panels up to 1/8" (31.8mm) thick. Includes mounting hardware: black metal face nut and nickel-plated hex nut.