ITEM NAME:12 V Car Van & Bottom Fast Battery Negative Cutting Switch Isolator B7J7 12 V Car Van & Bottom Fast Battery Negative Cutting Switch Isolator B7J7 Specifications Material: Zinc Alloy + Copper Plating Color: Copper + Black Suitable for 6V, 12V and 24V battery systems Suitable for battery pile head screw size: 3/8 500 amp surge rating and 125 amp continuous rating Note: Avoid unnecessary battery consumption The function is mainly used to solve the problem of power failure due to infrequent power leakage of electric vehicles, motorcycles, automobiles and car batteries. product description Please measure the head of your car battery before you decide to purchase a suitable size car battery circuit breaker! 3/8†diameter side screw hole. The simple twisting of the knob provides a convenient way to quickly disconnect and reconnect the car battery power. If you store the vehicle for a long time, eliminate the battery power consumption. Cheyne, sturdy, low profile universal side communication battery connection High quality, gold plated, long life The following