Trailer and caravan applications use a 12V 'N' type 7 pin aluminium socket.The socket is made of strong aluminium material.The pins of the socket are ..
Convert a 13 Pin socket into a 12N 7 Pin socket effortlessly.This model features a plastic mini adaptor block with a cap for added convenience.The pin..
Lock and key that prevents the coupling handle from being operated.Small brass lock that inserts into many pressed steel coupling and Knott cast heads..
Barrel lock to suit Knott-Avonride coupling headsThis lock inserts from the top of the coupling down and includes two keys and PVC lock cover to prote..