Holtzman's Credit Card Knife #1 Best Wallet Knife (Black) RISK FREE- your knife is backed with our no questions asked lifetime guarantee!! PORTABILITY- Can easily fit into a wallet, pocket, survival kit, bug out bag STRENGTH- The blade is surgical series stainless steel the body has extra strength with an added layer of stainless steel IMPRESSIVE- Pull it out of the credit card slot of your wallet and turn it into a knife PRACTICALITY- there are countless situations for which your knife will come in handy cooking it may even be the survival tool that saves your life