ITEM NAME:Easy Install Safety Battery Isolator Disconnect Cut OFF Power Switch Description: An effective way to prevent theft and fires Extend the life of your vehicle's battery 1/4" x 3/4" solid copper stud terminals with 5/16" brass hex nuts and washers 2-pc. Removable keys and waterproof cover Two 3/16" mounting holes,Capacity: 300 Amps on 12V systems Package Includes: 1 Piece Battery Cut-off Switch.Extend the life of your vehicle's battery. 1 Piece Battery Cut-off Switch. Removable keys and waterproof cover. An effective way to prevent theft and fires.