KeyChain is constructed using high-grade, zinc alloy (contains nickel). This versatile, compact carabineer keychain features several handy tools that most guys need. Including a Bottle Opener to easily pop off beer and soda tops, GoPro wrench tool to tighten and loosen accessory knob, and a flat-head screwdriver for DSLR camera and camera tripods. It clips to your belt loop or a backpack loop. This is not a carabiner and it is not designed for climbing, or rated to support weight. GUARANTEE & WARRANTY If you don't love your new keychain, ship it back to us within 30 days (original condition) and get a full refund. All Kore products carry a 1-Year Warranty against defects, premature wear and/or breakage. KORE DIFFERENCE In 2013 we set out to redefine men’s accessories. Our simple approach >> blend innovation with superior materials to create unique, more exciting products that exceed expectations. Thanks for your support. Copyright 2018 Kore Essentials, Inc. All rights reserved. Trakline Belt is a registered U.S. trademark. Our unique buckles & accessories are patented.