Full RangeAs a factory direct brand, we provide full range 7 pin 13 pin trailer plug for trailer, caravan, 3 pin tractor plug, trailer adapter, trailer tester, trailer extension cable, trailer lights, LED warning lights, search our brand for details. Real StuffThese 7 pin metal trailer plugs use durable real metal aluminum housing, not easy to break or damage in bad road and weather conditions. Pure copper contact pins and waterproof design will provide a better secure connection with your vehicles. European StandardThe brand holding company has been operating in the field of automotive spare parts, trailer socket for European and British vehicles for more than 17 years. All our products have passed CE, RoHS approval, comply with ISO 1724. Voltage ApplicationsThese trailer sockets are used for electrical connections between a vehicle and a towing trailer or caravan with 12V electrical system, transferring the electronic signal from the car/vehicle lights to the trailer. Suitable for trailers, caravans, cars, tow bar, bicycle transporters, truck, tractor, vans, motorhome.