The Kley-Zion FDR Ring (Flashlight Defense & Rescue ) The Ultimate Flashlight retention & Rescue device. Compatible with all 1-inch diameter flashlights. Features & Specifications: Body: Full 5 axis, CMC Machined from aerospace grade solid bar stock aluminum Black mil-spec type II class III hard anodized. Tips: 2 Included, Stainless Steel Defender for defence & Tool Steel window breaker black oxide finished. Compatible with all 1.00-inch diameter flashlights Two set screws to secure to flashlight Finger-loop for retention and impact protection Allows continued use of pocket clip on the Streamlight ProTac flashlights Weight: lightweight 1.20oz 100% MADE IN USA