The Reese Towpower Trailer Hitch Lock includes the brushed aluminum adjustable coupler lock and the easy access II dual bent pin towing receiver lock. Easy access earned its named because of its 360-degree rotating head, which enables the user to position the trailer hitch lock for easy access to the key slot. The user is also able to adjust the coupler lock to the desired length and the receiver lock contains pins to fit a 5/8 in. or 1/2 in. dia. hole. The integrated key slot cover helps protect the hitch lock from dirt.