Universal Coupler Lock with 1/2 Inch Shackle Trimax
(Trimax Part #: UMAX-25)
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The UMAX 25 features an exclusive design that provides 360 degrees of hardened steel protection for your unattended trailer. Provides instant security for your camper, boat or trailer when they are not hooked up to your vehicle. Fits most 1-7/8, 2 or 2-5/16 inch couplers. Dual ratcheting shackle accommodates chain or cable for added security. Shackle outside width is 4-3/4".


    • Covered key hole keeps dirt out and helps prevent freezing
    • Dual ratchet locking system
    • Completely covers ball socket of coupler
    • 1/2 inch hardened steel shackle
    • 4 inch inside shackle span


    TRIMAX Corporation is the world's leading lock manufacturer providing customers' high quality products through innovative design. A division of Wyers Products Group, TRIMAX produces more than 120 lifetime warranted security products spanning markets such as trailer and towing, power sports, marine, RV and bicycles. TRIMAX is headquartered in Centennial, Colorado and has been in business for more than 20 years. At the forefront of the security industry, TRIMAX stays in tune with market conditions, analyzing the demand for more security and producing products to meet that demand. TRIMAX offers more products keyed alike and cross-keyable products than any other competitor at no charge.

    "Lock it or Lost it"

    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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