Lucky Line U10101 UtiliCarry Primo 12-in-1 Multi-Tool. Compact stainless steel tool has the following funtions: Flathead & Phillips Screwdrivers, Dull Knife, Bottle Opener, Ruler, Wrenches: #7, #8, #10, #12, 1/4" Bit Driver, Wire Stripper and Spoke Wrench. Has carabiner for attaching to key ring or backpack. Measures 3" long x 1 1/4" wide by 1/4" thick.