Feature:1. Available for 713Pin Plug: Screw this dust plug adapter holder onto the trailer, after parking the trailer, plug in the 13 pin plug, 13 to 7 pin adapter, or 7 to 13 pin the hook adapter plugs into the socket.2. Characteristic: This trailer adapter protection holder can be used on bike racks, mobile homes or horse trailers, and it is waterproof and can also keep dust out.3. Protective: Trailer plug holder with locking nose, locks adapter firmly, easy to install, all you need is a wrench(not included), use this plug bracket to protect the copper contacts of the plug from damage.4. Can Be Screwed to The Tow Bar: You can screw the trailer adapter plug holder to the tow bar, really practical and useful trailer accessories, nice choice for you.5. Premium Material: Made of high quality metal and ABS plastic, this trailer connector holder is fire retardant, high temperature resistant, sturdy, not easy to break.Specification:Item Type: Trailer Dirt Protection Plug AdapterMaterial: ABS + MetalApplication: Trailer.Package List:1 xTrailer Plug Holder