Zinc alloy copper rotating stud, durable with electroplating process. Multiple process spray paint, colorfast and durable. Rubber cap prevents water and other liquids from entering, helps prevent short circuits and battery drain. Suitable for professional racing applications and commonly used in RVs, cars, and vehicle modifications. Easy to install. Wide range of uses, can be used as an on/off switch for various car electrical equipment. Features: Zinc alloy copper rotating stud, durable with electroplating process. Multiple process spray paint, colorfast and durable. Rubber cap prevents water and other liquids from entering, helps prevent short circuits and battery drain. Suitable for professional racing applications and commonly used in RVs, cars, and vehicle modifications. Easy to install. Wide range of uses, can be used as an on/off switch for various car electrical equipment. Specifications: Condition: Material: Copper + Rubber Color: As shown in picture Size: 66x130x5mm / 2.6x5.1x0.2inch (L x H x Hole Diameter) Working Voltage: 12/24V Rated Voltage/Current: DC 200A/60V Contact Resistance: 50mΩ Insulation Resistance: 100MΩ Dielectric Strength: 1500VAC/1min Electrical Life: 10,000 cycles Withstand Current: 20-100A Mounting Aperture: 5mm Suitable for Battery Terminal: 10mm Package List: 1 x Car Battery Isolator 2 x Keys