Made of brass plated zinc alloy.
Easy operation: disconnect and reconnect battery by one simple turn of the knob on it.?? ?
Effective to solve theses problems: electric leakage and loss of electricity.
Fit for different types of batteries as long as the diameters their pile heads are 1.7cm.
Material: zinc alloy + brass plated
Battery pile head diameter: 1.7cm / 0.6in
1 * Battery terminal