Features TECHNICAL PARAMETERS: For side post terminals, only 15‑17mm conical battery negative post, DC 12V system, rated current 125A, on or off 2 positions FLEXIBLE KNOB: Knob type switch, easy to install and use. Loose or twist knob will cut off power, very convenient RUSTPROOF ZINC ALLOY: Zinc alloy material, brass plated surface, durable, rustproof and corrosion resistant, safe to use REDUCE POWER CONSUMPTION: Used for car batteries for isolating and securing electrical systems, eliminating any power consumption from batteries when vehicles or boats are not in use, safely disconnecting batteries USAGE SCENARIOS: Used for car, vehicle, RV and marine batteries with standard 15‑17mm tapered side post terminals, also for electrical equipment Specification:Item Type: Side Post Battery Disconnect Switch Material: ABS, brass, zinc alloy Package List:2 x Side Post Battery Disconnect Switch Package List 2 x Side Post Battery Disconnect Switch