Check the listing for details. Blue Sea Systems - 6004-BSS - Single Circuit ON-OFF with Locking Key - Red. Condition: New. Listed at 29.00 USD. Single Circuit ON-OFF with Locking Key - Red6004 300 Amps continuous rating for outboards and small gasoline or diesel engines Tin-plated copper studs for maximum conductivity and corrosion resistanceStuds accept 3/8" (M10) ring terminals7/8" (22 mm) stud length accepts multiple cable terminalsBlue Sea Systems one-piece terminal stud design never loosens over timeOne-piece stainless flange nuts ensure safe and secure connectionsIsolating cover protects rear contactsBreakout tabs allow wire access in any directionSpecificationsSwitch Type Single Circuit ON-OFF ColorRed Maximum Voltage48V DC Stud Size3/8" Continuous Rating 300A Intermittent Rating 500A Cranking Rating 30 sec 900A Stud MaterialTinned Copper Stud Torque120 in-lb (13.56 Nm) Weight0.65lb (0.29 kg) No Returns, No Local Pickups