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Universal Dual-Purpose Trailer Coupler Lock with Integrated U-Lock Feature: 7/8″ Hardened Steel HEX Shackle | TMXUMAX300

Trimax

Universal Dual-Purpose Trailer Coupler Lock with Integrated U-Lock Feature: 7/8″ Hardened Steel HEX Shackle | TMXUMAX300

Part #TMXUMAX300
$137.99

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The Trimax UMAX300 Universal Coupler Lock delivers uncompromising protection for trailers, RVs, utility haulers, and boat trailers. Designed with Trimax’s signature hardened steel construction and high-visibility powder-coated finish, the UMAX300 creates an instant physical and visual barrier against theft. Its universal fit allows it to secure a wide range of coupler styles, making it a versatile, must-have security solution for professional and recreational trailer owners alike.

With a tamper-resistant locking system and weatherproof design, the UMAX300 stands up to harsh environments while providing reliable, long-lasting security wherever your trailer is stored or parked.

  • 7/8″ Thick Hardened Steel HEX Shackle for MAX Security!
  • Solid “Die Cast” Body Absorbs Hammer Blows, Protects Against Severe Weather, and Contains Patented Dual-Purpose U-Lock Capability.
  • Unmatched Patented Dual Lock System for MAX Cut Resistance.
  • Dual Purpose! Built-in U-Lock delivers MAX wheel-lock security — pair it with chains, cables, and more for unstoppable protection!

UNIVERSAL FIT:

  • From 1-7/8″ to 2-5/16″
  • Fulton Heavy Duty
  • 1-7/8″ or 2″ Fulton
  • Atwood 2″
  • UFP
  • Bulldog
  • Surge Brake
  • 2-5/16″ Couplers
BrandTrimax
Manufacturer Part NumberUMAX300

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