General description This universal weatherproof trailer socket holder is designed to securely protect 7-13 pin connectors. It can be easily screwed onto the tow bar, making it a practical and useful accessory for trailers, RVs, bike racks, and horse trailers. Technical specifications Material: High quality metal and ABS plastic Features: Flame retardant, high temperature resistant, sturdy Installation Can be screwed onto the tow bar Requires a key for locking (not included) Usage Plug in the 13 pin socket, 13 to 7 pin adapter, or 7 to 13 pin hook adapter after parking the trailer Protects copper contacts of the socket from damage Waterproof and dustproof