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SentryLock is a multipurpose, pull tight tamper evident security seal designed to provide security applications and reduce losses in a variety of industries. It is cost effective while designed to have a higher breaking strength than seals of a similar design.


  • Cash bags & courier bags
  • Security containers
  • Roll cage pallets & bonded cage doors

Key Features

  • Breaking strength of 19kg
  • Ability to have side tear off option integrated into the tag gives option for tool-less removal
  • Acetal jaw provides increased security over cheap single-moulded seal designs
  • Serial numbers come standard; barcoding is optional
  • Suitable for temperatures between -20°C and 80°C


  • Colour
  • Logo printing
  • Other markings
  • Serial numbers

Minimum order quantity required.



  product code stem length stem diameter tag size shop link
SentryLock 250 SY25 250mm 3.8mm 28mm x 50mm
SentryLock 350 SY35 350mm 3.8mm 28mm x 50mm

Ready to buy?

This product is available for purchase, hassle-free, at online-only prices through SecuritySeals.com.au.

Buy online now

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.