ADROIT 10-In-1 Multi-Function Credit Card Sized Tool for Emergencies: PK-19050-Z04 : (Pack of 2 Sets) 2.75 inches x 1.75 inches credit card size - 1/6 inch thick - can fit in standard wallets Includes saw, knife, can opener, bottle opener, ruler, knife edge, screwdriver, wrenches, & more For pocket or key ring - includes key-rign hole for easy take holding Comes wiith pouch to hold item and keep it safe Great for emergencies. keep one in your wallet at all times - just in case!