Cole Hersee Continuous Duty Solenoids 24059BP S.P.S.T. Normally open contacts. One circuit: Off-On. Electrical rating: Continuous duty 6-36 VDC, 85A. Copper contacts and terminals for maximum efficiency. Plated steel housings. Complete with hex nuts and lock washers. Small ignition and ground terminals are 10-32 thread, large contact terminals are 5/16"-24 thread.