Universal Trailer Coupler Lock Master Lock
(Master Lock Part #: 379DAT)
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Fits 1-7/8, 2 and 2-5/16 inch couplers manufactured by Fulton, Atwood, Shelby, Hammerblow, Dutton-Lainson and UFP.


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    • Advanced locking mechanism resists picking and prying
    • Keyway cover protects lock from moisture and dirt
    • Solid die cast body

    Master Lock

    Master Lock is recognized around the world as the authentic, enduring name in padlocks and security products. Since our founding in 1921, we have worked hard to earn and maintain the trust of our customers by delivering on our promise of strength and quality and by continually setting new standards for lock design, application and performance. As the largest global manufacturer and marketer of padlocks, we continue to build our founder's passion for innovation, quality, and compelling value into our expanding lines of security solutions.

    The above information has been provided by the Manufacturer, and we cannot guarantee the accuracy thereof or endorse the opinions expressed.

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