Features: 1.Heavy duty top post battery disconnect switch, easy to use, simply twist of the knob to dissconnect or reconnect the battery. 2.Minimize battery loss to save power, helps avoid theft, tampering & unauthorized use. 3.Manufactured from premium 100% pure copper, wear?resistant, anti?slip, anti?dust, anti?corrosion. High temperature resistance, good electrical conductivity, stable performance. 4.Universal battery disconnect switch suitable for all car,vans, boat, motorcycles with 6V,12V and 24V batteries. 5.Easily install on the negative battery post, prevent electric leakage and loss of electricity. 6.Fits for battery with a diameter of 15?17mm/0.6?0.7in, reduce unnecessary battery consumption, protect the system from draining out. Specification: Condition: 100% Brand New Item Type: Battery Terminal Link Switch Material: Copper Color: Black+Gold Size(L x W x H): Approx. 85 x 35 x 32mm/3.3 x 1.4 x 1.3in Fitment: Universal battery disconnect switch suitable for all car,vans, boat, motorcycles with 6V,12V and 24V batteries. Application: Suitable for various types of battery with a diameter of 15-17mm/0.6-0.7in Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.