7 Pin Metal Trailer Socket --- The 12V 7 pin trailer socket establishes a stable signal transmission connection between vehicles and trailers, caravans, etc. Ideal for new tow bars or replacing damaged plugs. European Standard --- Passed European CE and ROHS certification, applies to European standard wiring systems such as trailers, trucks, caravans, motorhomes, etc., providing connections for direction indicators, parking lights, brake lights and fog lights. Waterproof and Durable --- This 7 pin trailer socket is made of alloy of high quality aluminum and brass pins, with sturdy housing and waterproof material, suitable for any weather and road, the metal housing prevents rust or corrosion. Easy to Install --- Plug and play design, connect the plug circuit according to the wiring configuration.