Simulock - fixed length security seal


Simulock is an easily applied, fixed length, plastic ring, security seal. Its unique clear inspection window, allows quick visual inspection of the locking mechanism to verify integrity. It has a wide variety of applications, including tankers, trucks, railcars, roll cages etc.


  • Unique clear inspection window.
  • Ultrasonically welded to seal body.
  • Permanent laser marking of name and sequential numbers.
  • Built in weak point with security breaking lines.
  • Simultaneous double locking mechanism.


  • Allows quick verification of integrity.
  • Cannot be cut or forced open without evidence.
  • Laser marking cannot be removed and replaced.
  • Allows easy removal whilst preventing gluing or welding without evidence 
  • Difficult to tamper with.
Simulock ring security seal

                       Customise this product


Custom laser marking is now available within 5-10 working days.


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fixed length ring security seal


Length - 200mm, Width - 8.5mm
Permanent laser marking available with name/code and number.
Standard colours - White, Yellow Red
Contact us for other colours.


  Suggested applications:-

  • Trucks.
  • Roll cages.
  • Tankers - bulk food & liquids.
  • Rail cars 
  • refineries
 – simple security solutions.

Buy Simulock metal strap security seals online

As we have no control over the application and conditions our products are used in. We maintain it is the responsibility of the end user to determine that this is the correct product to suit your requirements. To that end we offer free samples and telephone guidance, please do not hesitate to contact us if you need help.