Victorinox Swiss Army Tinker Pocket Knife - Ruby The 3  inch Tinker was designed to be slim and lightweight Easily slips in and out of a pocket Great everyday knife 100% stainless steel components 12 useful functions: Bottle opener, wire stripper, large blade, key ring, small blade, Phillips screwdriver, toothpick, large screwdriver, reamer, can opener, small screwdriver, tweezers