With an aircraft grade aluminum body and a A2 Tool Steel diamond shaped tip, The KZ Res-Q Ring was designed to get you out of any mess. By inserting your middle finger through the ring and resting the spine in your palm, The KZ Res-Q Ring will help absorb the impact of a blow.By attaching keys to the optional KZ QD Angled Swivels, your Res-Q Ring can be used as a flail. The Res-Q Ring can be used with or with out the included diamond and as a dual sided key chain with optional QD swivels. Features: Impact device. Rescue tool. Lightweight Key chain, single or dual using optional KZ QD Angled Swivels. Fingerloop, acts as carry no drop retention device & hanger. Specifications: Body: 6061 Aircraft Grade Aluminum Body, machined from solid billet. Type II, class III hard coat anadized. Tips: A2 Tool Steel Diamond shaped tip. Length: 4.5" Weight: 2.0oz Dual QD ports Can be used with or without diamond tips 100% MADE IN USA