Master Lock 379DAT Universal Trailer Coupler Lock

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Universal trailer coupler lock fits 1-7/8", 2" and 2-5/16" couplers. Advance locking mechanism resists picking and prying. Keyway cover protects lock from moisture and dirt. Easy t o install and remove. Resists rust and corrosion. Universal coupler lock Fits 1-7/8", 2", & 2-5/16" couplers Re-keyable cylinder & comes in a commercial box Use for automotive & towing, trailers, vans & moving trucks, marine recreation. Show more