The plug is made of impact-resistant polycarbonate, the connector is made of solid copper and nickel, and the terminals are silver-plated. The terminals provide low resistance to ensure high conductivity. Silver plating enhances connection stability. The plug offers reliable weather resistance and secure anti-vibration performance. It is designed for connecting auxiliary power from a vehicle to a trailer. Rated current: 50A Voltage: Maximum 600V Working voltage: 12V or 24V Operating temperature: -20°C to 105°C Cable size: 6AWG (maximum 13.3 square millimeters) Life cycle: 10,000 mating cycles Fire resistance: PC UL94V-0 Pressure resistance: 2 tons Dimensions: 36 x 48.2 x 16 mm Weight: 23g per set Color: Gray Material: Plastic Package Contents: 4 x Contact plugs 8 x Terminals Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm. 4-pack Anderson Style Plug Connectors 50A 600V 6-12AWG AC/DC Power Tool with Plated Solid Terminals, Gray