For the connection of a trailer equipped with a 7 Pin 12N plug to a towing vehicle equipped with a 13 pin socket. To convert a 13 Pin socket into a 12N 7 Pin socket. Specifications Model type: Plastic mini adaptor block with cap Pins: Brass No need for expensive rewiring Easy to fit, use and store Provides a connection for road lighting functions (exc. Reverse) With weatherproof spring-loaded cap