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The PackLock is a round-stemmed seal, available in several lengths, making it ideal for sealing bags, tanks and security containers.

The seal has an acetal insert locking mechanism which provides a higher level of security than cheaper single-moulded seals.


  • Courier, property and postal bags
  • Tanks and drums
  • Truck doors and side curtains

Key Features

  • Moulded in high quality food grade polypropylene
  • Twist tear-off option available


  • Breaking strength of 14kg
  • Suitable for temperatures ranging -20°C to 80°C
  product code stem length stem diameter tag size
PackLock 250 SL25 250mm 3.7mm 28mm x 50mm
PackLock 350 SL35 350mm 3.7mm 28mm x 50mm
This product is currently end-of-line or discontinued. We recommend SentryLock as an alternative.

contact us

Need more information? Require brochures or samples? Having trouble deciding on which seal is best for you? Or do you have questions about the seals and how they're used? Don't hesitate to contact us. Our team is accessible by phone during standard business hours, or you may prefer to get us via e-mail. Either way we'll get in touch with you promptly. We take pride in our top quality service.