Here is a pocket-sized device with SO MANY practical functions! This Knife Card is a portablesurvival tool with 11 functions including can & bottle cap opener, 6 different position wrenches, butterfly screw wrench, direction indicator, knife edge, saw blade, screwdriver, ruler and keychain.
You can be used anytime & anywhere—while camping, hiking, biking, at home and even all sorts of activities and situations. This stainless steel card comes with a high quality leather protective case. Just put it into wallet and never worry about scratching your wallet!
Can opener: The bottom hook used with the upper edge can open tin cans easily
Live wrench: A hollow groove strip can squeeze any items with flat turnbuckle