Durable Cutoff Switch: Heavy-duty stainless steel nuts and washers resist rust and corrosion. Extend the life of your vehicle's battery. Turn off the power to your racing car and avoid fires. Safety: The small black isolator with a red removable key does not take up much space in your truck's battery system, but is easy to access. Securing the vehicle with safety switches insulation The power to the battery can be reliably cut off when not in use. Easy to install: Install it on your boat trailer and other batteries you need. Perfectly cuts off the power and properly discharges the battery, the rear cover isolates the terminals from any short circuits. A quick and easy battery disconnect can help. Function: The boat battery disconnect safely disconnects the battery, eliminating all battery power consumption when the vehicle or boat is not in use. Compact size, modern and stylish appearance, strong and sturdy. The waterproof cover can better protect the keyhole. Universal Type: This battery switch power cut off switch is widely used in sailboats, yachts, cruise ships, sport utility vehicles, buses, coaches, caravans, motorcycles, trucks, etc. Welcome to meet you