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Today we're going to be taking a look at the Master Lock Universal Trailer Coupler Lock, part number 379DAT. Deter theft of your trailer by preventing hookups. The Master Lock Universal Trailer Coupler Lock is going to fit most 1-7/8", 2", and 2-5/16" couplers. It's constructed with a laminated, riveted steel frame for strength and durability. The cover here is going to protect our keyway from… see more >
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