Feature:
Made of brass plated zinc alloy.
Good conductivity, stable performance.
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.
Corrosion resistant.
Fit for different types of batteries and the diameters their pile heads are 10mm.

Specifications:

Battery pile head diameter: 10mm / 3.9in