Features: Engineered with high grade alloy, this 17MM Battery Disconnect switches ensures stable 6V/12V/24V power cutoff for cars, trucks, , and marine vehicles, featuring quick disconnect functionality to prevent battery drain during storage or maintenance. The erosion resistant alloy construction delivers outstanding durability, while its general 17MM design provides secure installation on various battery terminals for optimized electrical safety. Ideal for automotive enthusiasts, mechanics, and marine owners seeking a dependable battery isolator to protect against parasitic drain and extend battery life during long term vehicle storage. Designed for scenarios ranging from seasonal vehicle storage to emergencies power cutoff in race cars, this switches effectively prevents fire hazards and maintains optimal battery conditions during extended downtime. Its weatherproof green/black housing integrates seamlessly with automotive electrical systems, offering tool easy operate for fast battery isolation across motorcycles, boats, and heavy duty trucks. Specifications: Component : alloy Name: 17mm car battery power-off defense switchck Size: Approximately 8.6x3.6 cm/3.43x1.42 inches Package Includes: 1xBattery Disconnect switches note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.