1 x 13-pin male to 12N and 12S 7-pin female trailer adapter. This small trailer plug simply plugs into the European-style 13-pin socket and fits the other end into the 7-pin socket on most caravans/trailers. It also has an added safety feature that secures the trailer attachment to the adapter. The spring-loaded locking flap protects the connections when not in use and locks into the 7-pin socket when in use. Applications: Commercial vehicles, trailers, motorhomes, cars, boats, etc.