Check the listing for details. Tamper-Proof Key Ring Security Permanent Solid Flexible. Color: Gray, Condition: New without tags. Listed at 5.99 USD. Store About Fradon All Listings Add to Favorites New Arrivals Contact Us Store Updates Add Fradon Lock to your Favorites and receive updates about new items and special promotions! Tamper-proof solid and flexible rings various sizes Item Description Our patented Tamper-Proof Key Ring® technology provides you with the ultimate in strength and durability. These high security stainless steel rings cannot be opened without detection thus preventing asset removal or substitution. As a one time use security device our rings verify that items taken from a safe match the items returned. Tamper-Proof Key Rings® come in five different sizes of solid or flexible style and are used to secure assets from keys and utility knives to medical equipment and cash tills. The crimping tool and or closing tool (solid rings only) is required to close and crimp the rings. These tools can be purchased in our store. Choose solid or flexible and the size from the menu above.Unique IDNo two key rings are alike and are uniquely identified by a permanent serial number. Each ring is engraved before distribution to allow for detection in the event it is tampered with or replaced.Smooth SealOur crimping tool closes both solid and flexible rings with a smooth seal. This allows for a 360 degree use of each ring without the hindrance of a raised seal. Copyright © Fradon Lock All rights reserved.