This is the Meyerco Blackie Collins Rifleman's Tool Tactical International Automatic Knife Black Serrated with tools that is overall open length 9.125" with a blade length of 3.75 inches. It comes with tools to service AR style platforms and the handle is made of 6061-T6 aluminum that has a threaded aluminum cap with a magnesium fire starter and sight adjustment tool. Tucked into the spine of the handle is a DLC coated stainless steel cartridge extraction tool. It also comes with a 154-CM stainless steel partially serrated tanto blade, a tip down pocket clip, tungsten carbide glass breaker clip and Aluminum case.. Closed it is 5.375 inches and weighs in at 7.20 ounces.