Today we're going to review part number 1472DAT. This is the Master Lock Trailer Hitch Receiver Lock. It is the Swivel Head, Flush Design Lock. It fits Class I and Class II 1-1/4-inch hitches. This trailer hitch receiver lock is used in place of a standard pin and clip to prevent theft of your ball mount or any hitch accessories, like a cargo carrier or bike rack. It uses a patented, stainless… see more >