Advance locking mechanism resists picking and prying
Easy to install and remove
Resists rust and corrosion
Best used for automotive, towing, trailers, vans, moving trucks and marine recreation
Keyed differently
Product Details
Universal Trailer Coupler Lock (378DAT) by Master Lock®. Fit to 2-5/16" (59mm) trailer coupler. The Master Lock No. 378DAT features a 2-5/16in (59mm) trailer coupler lock, designed to resist rust and corrosion. Fit to 2-5/16" trailer coupler. The Master Lock No. 378DAT features a 2-5/16" trailer coupler lock, designed to resist rust and corrosion. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.
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