With so much functionality in one pocket-sized device, this 11-in-1 survival tool can be used anytime, anywhere. It can act as as Can Opener/ Bottle Cap Opener/ 4-Position Wrench/ 2-Position Wrench/ Butterfly Screw Wrench/ Direction Anxillary Wrench/ Screwdriver/ Knife Edge/ Saw Blade/ Ruler/ Keychain Hole. For user's convenience, simply attach this tool onto a jump/key/split ring, lanyard, etc. by using the small keychain hole, or you can take advantage of its credit card size and keep this tool inside your pocket, wallet, emergency/survival kit, wherever you may need it! Color：Silver Size：2.75"*1.77"*0.078"