Features: The Top Post Battery Disconnect Switch is designed to effectively isolate and secure your vehicle's electrical system, preventing power drain and extending battery life with a simple knob twist. Crafted from solid brass, this switch offers excellent conductivity and resistance to corrosion, ensuring durability and safety for long term use. Ideal for car owners, automotive technicians, and enthusiasts who require reliable control over their vehicle's electrical systems. Perfect for scenarios where vehicles are left unused for extended periods, such as during vacations, seasonal storage, or for vehicles. This battery cut offs switch fit car, trucks, boats, and various electrical equipment, making it a addition to your toolkit. Specifications: Material: Copper Size: About. 9.4x3cm/3.7x1.18in Package Includes: 1pc Top Post Battery Disconnect Switch note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.