Today, we're going to be taking a look at part number AT89016. This is the Atwood AMPlock Trailer Hitch Receiver Lock for inch and a quarter Hitches. We're going to have the bent pin style of trailer hitch receiver lock. This is going to be used in place of a standard pinning clip. This unit's going to help prevent theft of your ball mount and hitch ground accessories. It can be applied to your… see more >