ITEM NAME:Battery Terminal Link Switch Quick Cut-off Disconnect Car Truck Auto Vehicl A2C3 Battery Terminal Link Switch Quick Cut-off Disconnect Car Truck Auto Vehicl A2C3 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. This battery terminal switch is designed to solve the problem: leakage and loss of electricity. Easy to disconnect and reconnect battery of your vehicles by a simple turn of the knob on the switch. 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:1 x Battery terminal switch Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.