2 Cutter Cards Stainless Steel Knife Surgical Folding Blades Thin Fit In Wallet Pocket Ultra-thin stainless steel surgical blade, lightweight and shaped like a credit card Fits in your wallet, pocket, camping kit, etc. 3 Folds transform knife into tactical utility tool, Surprisingly strong polypro hinges Built-in Protective Sheath, Card Case Card: 3.75 L x 2.5 W, Blade: 3.25 L