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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 1.7cm.

Specifications:
Color: Black
Material: zinc alloy + brass plated
Battery pile head diameter: 1.7cm / 0.6in
Size: 5.8 * 3.4 * 5.3cm / 2.2 * 1.3 * 2.0in
Weight: 115g / 4oz

Packing list:  K996R
1 * Battery terminal switch