Product details of 2pcs Battery Master Disconnect Switch Power Kill Isolator for Car Van Boat MA435
Easy operation: disconnect and reconnect battery by one simple turn of the knob on it. Quick battery isolator switch, cut off switch. Connects direct to the battery termina, cut off by loosening the green wheel. Fit for different types of batteries and the diameters their pile heads are 17mm. Universal fits 12V and 24V batteries: Cars, Vans, Boat, Motorcycle.