The MTech USA Xtreme Fixed Blade Tactical Knife (model MX-8054) features a black tanto blade and a black G10 handle, with an 11-inch overall length. Designed for tactical purposes with combat in mind, this hefty blade has saw back serrations along the spine and a blood groove. This fixed blade knife features a 5-1/2-inch, 5.5mm thick, 440 black stainless steel tanto style blade. Grade 440 stainless steel contains more carbon, giving it excellent hardness and edge retention.