The perfect gadget for the everyday warrior this wallet ninja contains 16 handy tools in one nifty credit card gadget that can be kept in your wallet helping you to tackle lifes little challenges such as opening boxes letters screwing things in place opening cans measuring and holding up your phone this 15mm of 4 x heat treated steel will be your saviour sa features wallet ninja multi tool includes 3 screwdrivers 6 hex head nuts bolts bottle can letter opener box cut