This extra heavy-duty momentary starter switch features 60 Amps at 12V, 40 Amps at 24V, silver contacts, flush terminals in molded insulator, a housing that is rolled over the insulator to seal out dust and moisture, hex back nut, bright polished face nut and a black molded plunger. Part also features a chrome plated protection collar for preventing accidental starts. Mounting stem 5?8" long, 5?8" diameter thread, overall length 1 13?16", housing diameter 15?16"