ProTool 11-Tools-in-1 Stainless Steel Credit Card-Sized Survival Tool Silver Practical multi-tool the size of a credit card--fits in wallet, purse or glove-box Thick-gauge, extra-durable stainless steel construction for practical force application Performs 11 tool functions: can opener, knife, screwdriver, ruler, bottle opener, 2 position wrench Saw blade, 4-size wrench, directional auxiliary wrench, key-chain hole, butterfly screw wrench Includes protective case for wallet or purse, tool identification card