General description According to the European standard, this 7/13 pin trailer hitch socket establishes a stable and safe connection between the main vehicle and the towed vehicle, transmitting the electrical signals for the lights near the trailer. It is designed to fit most cars equipped with 7-pin trailer hitch sockets and can also accommodate trailer racks or bike racks with 13-pin sockets, eliminating the need for socket replacements. Technical specifications Size: 82 x 52 x 48 mm Compatibility and accessories Compatible with most cars featuring 7-pin trailer hitch sockets Works with trailer racks or bike racks that have 13-pin sockets Installation Features a lever at the back that locks the car side socket in place Includes a retractable cover for the car socket