Master Lock Co.

Universal Trailer Coupler Lock

Master Lock has two versatile and advanced trailer lock products. The 379ATPY Universal Trailer Coupler Lock helps deter thieves when the trailer is detached from the tow vehicle. It has an adjustable hitch ball that fits inside all tongue type trailer couplers, and locks in place to prevent anyone from hitching the trailer to their vehicle. The adjustable size is designed to fit the widest array of trailers in use, including 1-7/8”, 2” and 2-5/16” sized couplers. This lock can also be keyed alike for fleet-wise convenience.

A new design and patented “Push to Lock™ receiver lock will also benefit anyone using a trailer and help prevent theft of a trailer and its valuables. It has a proprietary locking mechanism that allows the user to hear and feel the lock engaging. These barbell style locks (models 1469DAT, 1479DAT and 1480KA) have locking heads that are made of stainless steel to resist corrosion and a Key Retaining function to prevent false locking. They are designed to work with virtually any trailer hitch, they fit ½ inch or 5/8 inch receiver holes and is ideal for anyone who tows equipment.

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