New Mini Stainless Steel Multi-function Survival Wallet Tool Color: Silver or Black Note: The saw tooth of the Silver one is sharp, and the black one is not sharp. Outdoor Multi-Tool Portable Credit Card tool card outdoor knife/ Survival Card/ Emergency Knife / Fits in your wallet. Type: Assembly Tools Hardness: 56-58 Thickness: 0.2cm Weight: About 30g Size: 7 x 4.5cm