12V 300A Battery Main Switch On/Off Switch Isolator 300A12v Lockable Power Switch Battery Circuit Breaker Description100% brand new and high quality. It provides reliable power disconnection and safety shut-off that protects the vehicle from tampering, theft, and battery discharge. Protects personnel from electrical hazards during operation. For use in all vehicle electrical systems, such as truck, off-highway, construction, material handling, waste collection, marine, and more. SPST On/Off Battery Main SwitchStrong Black ABS Body, Built-in Safety LockBattery 2x 3/8"-24 Pins3/4"-16 Thread, L 22mmFit for 12mm Panel ThicknessSelector Position: ON - OFFCuptification: 12/24V DCgauge: As the pictureWhat's in the Package:1 x Battery Disconnect Switch Switch