Features: brand new and high quality Our battery kill switch is made of solid brass and copper. It features superior performance and good conductivity. Used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely. Our master battery cutoff switch works with top post batteries for a wide range of vehicles including most for cars, boats, trucks, RVs, and even jet skis. Knife blade type, easy to install & simple to use. When you are not using the car or it is stored for long periods, just simply raise the lever to disconnect the battery from the car. You can adjust this battery switch through the bottom of the screw, into a vertical knife switch or a horizontal knife switch. Specifications: Material:Copper Size:Approx.9.2x7.6cm/3.62x2.99in Rated Current:250A(12V) Instantaneous Current:750A(12V) Net Weight:250g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Battery Disconnect Switch