Master Lock Trailer Coupler Lock Review 377DAT Video

Review of the Master Lock Trailer Coupler Lock 377DAT

Hi everyone. Aiden here with etrailer. Today we're taking a look at this coupler lock from Master Lock. This is going to fit a variety of different coupler sizes. It's designed to work with inch and seven eights, two inch or two and five sixteenths ball and it's going to work pretty well on most of those. There are gonna be some key differences where it doesn't fit or doesn't fit as well that… see more >