Zootility multi-tools are ultra thin! The Hedeghog and the PocketMonkey Deluxe are each 1mm thin and the size of a credit card. You can even stow them in your billfold or wallet and have it everywhere you go without bulking up your pockets! WildCard is merely 2.0 mm thick - only slightly thicker than a credit card. Made in the USA from stainless steel, these multi-tools are strong yet thin because they are heat treated to 4x normal strength. Prices vary. Please select your choice to see specific price. "Headgehog" is a comb that is also a multitool. It also features a bottle opener, phillips screwdriver, phone kickstand, money clip (add rubber band), and even a chip clip! "PocketMonkey" multi-tool has 12 functions. From opening bottles to adjusting screws, PocketMonkey multi-tool helps you conquer life's everyday tasks. It's even TSA-compliant, so you can take it with you whenever you fly. "WildCard" is the hyper thin pocket knife that even has a backup plan for when traveling through airport security. The blade can be removed and surrendered at TSA, and replaced at a later time. Weighing only 1.1 ounces, the WildCard is merely 2.0 mm thick - only slightly thicker than a credit card. Easily store it in your wallet, bag, or comfortably in your pocket. The knife body also features built-in screwdrivers, pry bar, rulers, and bottle opener, making it the ultimate tool for everyday carry.