Review of Master Lock Trailer Coupler Locks - Latch and Coupler Surround Lock - 3784DAT Video

Master Lock Trailer Coupler Locks - Latch and Coupler Surround Lock - 3784DAT Review

Today we'll be taking a look at the Master Lock heavy duty coupler and latch lock combo. This is going to fit a wide variety of couplers for your trailers, including a one and seven-eighths inch, a two inch, and a two and five-sixteenth inch coupler. This can also work with UFP and some of those again, one and seven-eighths coupler. You might need to use the included adapter that I have here, in… see more >