Made with the materials, our battery disconnect switch is crafted from highly conductive brass ensuring optimal performance. The black base, made from ABS, guarantees efficient insulation offering an additional layer of safety. Our switch is designed to last, delivering a combination of superior conductivity and reliable insulation. Our battery disconnect switch is uniquely designed to fit 15-17mm battery top post negatives, not positive poles. This specificity ensures a secure fit for effective performance. It has a maximum current of 750A, and a rated current of 250A, confirming its solid design and strong performance. Remember to measure your negative pole size before purchase. Featuring the intuitive Knife Blade Master Switch, our disconnect switch simplifies the power management of your device. A simple press or lift of the blade allows you to control power on and off, effectively preventing the battery power drain when the device is not in use. This feature adds a layer of security to your battery life. The versatility of our battery disconnect switch makes it a valuable tool across numerous applications. perfect for use in your auto, truck, RV, or boat, our switch is designed to work with 12V or 24V batteries. When security matters, our battery cut off switch offers an extra layer of safety for your vehicles and seasonal equipment. The actual product may have slight color differences or differences, which does not affect use. Colour:gold Material:brass Package Contents: 1 x Battery Disconnect Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.