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The SHR-5000 Dok-Lok Vehicle Restraint is the industry’s premium trailer restraint, offering the highest level of safety and performance with a unique rotating hook design.

Shadow Hook Restraint Features and Benefits

Shadow hook    

  • Adds an additional layer of safety by securing intermodal containers or trailers with rear impact guard obstructions.

Exclusive hook design    

  • Greatest reach creating a two-point entrapment on RIG.
  • Automatic re-fire if the hook is not properly engaged.

Widest working range    

  • Consistent contact, securing RIG or ICC bar.

Withstands the elements  

  • Corrosion resistant finish.
  • Mounted above ground away from dirt, debris, snow, ice, and standing water.

Designed for impact    

  • Automatically positioned by the trailer.

Full-time communication    

  • Comes standard with Corner-Vu and Leveler-Vu.
  • Interior and exterior LED lights are standard.


  • Up to 5-year warranty.

Universal controls    

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

Security system interface    

  • Dok-Lok vehicle restraints can physically enhance security at a facility when linked with an active building security system. If an engaged restraint is tampered with, the building security system is notified and facility protocol is followed.