A 12V 7-pin replacement towing plug for caravans, trailers, trailer boards, etc. It allows lights on the vehicle that is being towed to mimic the lights on the towing vehicle, excluding reverse. Heavy duty premium rubber construction and easy to install. Waterproof for all road and weather conditions. Suitable for European standard trailers. Cable entry diameter of 7mm. Our plugs carry the European CE mark of approval, do NOT buy these plugs unless they carry this endorsement. Suitable for European standard trailers. Our plugs carry the European CE mark of approval.