Features 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:TrailerDirtProtectionPlugAdapterMaterial: ABS + MetalApplication: Trailer Package List 1 xTrailerPlugHolder