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The original rotating hook vehicle restraint features a simple, low maintenance design for safety, reliability, and productivity.

GRH-700 Restraint Features and Benefits

Designed to withstand the elements

  • Corrosion resistant finish.
  • Stores above ground to keep clear of snow, ice, debris, and standing water.
  • IP-66 rated motor

Designed for impact

  • Utilizes energy of backing trailer and adjusts easily to varying RIG heights.
  • A hardened steel nose slope and spring loaded structural steel housing are automatically positioned by the trailer. (Single or dual nose slope extension available based on application.)
  • Extension springs provide superior upward force against the rear impact guard to keep trailer secure during loading, even with air-ride trailers.

Personnel and product safety

  • Should a fault or tampering occur, automatic re-fire technology will restore a safe, secure connection between the Lok & RIG.

Designed for constant contact

  • A wide working range, between 9 and 30 inches, allows for constant contact while securing a RIG or ICC bar.

Designed for impact

  • Automatically positioned by the trailer.


  • 1-year warranty.

Universal Controls

  • Feature audible alarm with coded override, outside light monitors, simple trouble-shooting and self-diagnostics.