TamperProof Serialized Key Rings


  • Tamperproof – Laser engraved unique serial number
  • Only requires one tool to close
  • Manufactured by Cobra Key Systems
  • Cobra Key Ring products are subject to a minimum order size of $25.00. If your cart has less than this amount, Tether Technologies may choose to refund the key ring portion of your order. If your order is for 100 or more key rings, please contact us for quantity discounts.
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Additional information


Solid Stainless Steel, Flexible Steel Cable


1", 1.5", 2", 3", 4"