The Defiance Tools Skull Keychain EDC Tool - 8 In 1 easily attaches to a key-chain ring, so it fits easily into your pocket or purse. The 8 In 1 Tool functions include:Flat Screwdriver; Phillips Screwdriver; Bicycle Spoke Wrench; Hex Wrench (spanner) 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm; Bottle Opener; Paint Can Opener; Rope/Twine Cutter; Tack Claw