Specification: Operation: On/Off Rating: 275A DC Continuous (1hr) , 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec), Voltage: 12V-48V DC Stud Size: 2x3/8" (10mm) Widely Applcations: Widely used for Car, Marine, Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, Battery banks and other 0-60V Devices. Easy to Install Well Built Heavy Duty Cut Off Switch: ABS plastic housing, the rear cover insulating the rear terminals against any short circuits. Super Safety: Battery disconnect switch can disconnect the battery safely to eliminate any power draw from the battery when vehicle or boat is not in use Package Includes: 1 * Battery Switch 4 * Side Pads 4 * Mounting Bolts 1 * Rear Cover