Fotodiox GoTough SharkBite Blue Metal Wrench with Bottle Opener for Gopro Hero2, Hero3/3+ and Hero4 Mounting Knobs, Adapters, Screws and Bolts Universal wrench for tightening all GoPro HD, HERO1, HERO2, HERO3/3+, and HERO4 style thumbscrews. Made out of high quality, industrial grade aluminum Small, compact, lightweight yet strong and reliable; perfect to fit in jumpsuits Shark head forms a bottle opener and keyring hole Great for action sports where the mount needs to be super tight 24-Month Manufacturer Warranty