Master Lock® Universal Coupler Lock


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  • Racheting shaft allows fit on multiple-size couplers
  • Advanced locking mechanism resists picking and prying
  • Rust- and corrosion-resistant chrome finish
  • Front access keyway for easy accessibility
A ratcheting shaft allows this lock to fit most 1-7/8", 2" and 2-5/16'' couplers, making this Master Lock Coupler Lock one of the most versatile trailer locks out there! The Lock's advanced locking mechanism resists picking and prying for extra protection, while the durable chrome finish protects against rust and corrosion. A front access keyway means easy accessibility.
Rated 4.7 out of 5 by 3 reviewers.
Rated 5 out of 5 by Trailer Lock Works great, fits my Ranger Trailer perfect, easy to lock and unlock March 11, 2014
Rated 4 out of 5 by Good purchase Good product for the price. Works well and fits pretty much any size. I would recommend this product. August 3, 2011
Rated 5 out of 5 by smart purchase MASTER LOCK UNIVERSAL COUPLER FOR THE PRICE OF $21.99 A SMART BUY. June 26, 2009
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