Key Systems Tamper-Proof Key Rings® are precision-engineered to deliver the highest standards of strength, durability, and tamper resistance. Manufactured with strict tolerances and constructed from high-security stainless steel, these key rings are designed to safeguard your most valuable assets. Their patented Tamper-Proof Key Ring® technology ensures that once sealed, they cannot be opened without clear evidence of tampering — effectively preventing unauthorised access, asset removal, or substitution.
As single-use security devices, they provide an auditable verification system — ensuring that items removed from safes or storage are identical to those returned. Available in five sizes and solid or flexible styles, Tamper-Proof Key Rings® are ideal for securing everything from keys and utility knives to medical instruments, evidence bags, and cash tills.
| product code | ring diameter | ring thickness | shop link | |
|---|---|---|---|---|
| Sealed Key Rings 3cm | KR-3 | 1" (25mm) | 4mm | |
| Sealed Key Rings 4cm | KR-4 | 1 5/8" (41mm) | 4mm | |
| Sealed Key Rings 5cm | KR-5 | 2" (50mm) | 4mm |
| product code | shop link | |
|---|---|---|
| Closing Tool for Sealed Key Rings | KR-CLOSING-TOOL | |
| Crimping Tool for Sealed Key Rings | KR-CRIMPING-TOOL | |
| Cutting Tool for Sealed Key Rings | KR-CUTTING-TOOL |
Various solid keyring sizes available
Specialised Crimping tool
Easy application
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