Draper 13 Pin Euro Towing Socket

Amazon

Fitted with a weathered sprung loaded cover Ideal socket for caravans and trailers Supplied power and lights to the towed item Meets European standards - E11, Weight: 0.3086471668 pounds, Manufacturer: Draper

Electrical World

12V 13-pin Euro towing socket, fitted with sprung loaded cover. Weatherproof sprung socket cover protects the connections when not in use and locks the 13-pin plug when in use.