This diamond plate mounted battery disconnect switch is great for street rods, boats, trucks, golf carts and passenger cars. It mounts on any flat surface with 2 self-tapping screws or rivets, it also prevents battery drain, and if you have kids it stops them from starting your street rods or custom cars. "just remove key" this unique switch is also a cost effective anti-theft device. Its also competition approved by IMSA, ARCA and SCCA and other sanctioning bodies and is rated at 300 amps