The Dark Ops Stratofighter Stiletto Tactical Folding Knife is a full size tactical folder built to the durability requirements of full-on Special Ops deployment. Made in the USA, this massive military-grade knife features Dark Op's proprietary RaptorLok system, a self cleansing double talon locking system that uses the entire length of the knife to support the opened blade. Unlike modern unproven and complicated locking systems, this basic principles of this design have been tested for over fifty years. Dark Ops' secondary CrisisCross cross-bolt locking system serves the function of preventing the knife from being closed while open. The pommel end of the Dark Ops Stratofighter Stiletto offers an integrated emergency window breaker and paracord safety tethering hole. The scales are made of T6160 aircraft grade hardened aluminum, not porous materials that cannot be decontaminated from bodily fluids or chemical munitions. Carved into the sides of the scales are lateral control grooves that provide indexing points in darkness as well as additional control without increasing the width of the handle. Deep finger grooves orient the knife in the hand and add a third more grip area. Quartz impregnated inserts provide extreme circumstances grip enhancement and are replaceable should decontamination be required. The pocket clip is reversible for true ambidextrous tip up carry. The finish is Carbon Black Titanium CarboNitride (TiCN) vacuum deposited finish and is designed to shed the micro-fine airborne sand of Middle-eastern deserts. The Blade steel is made from Dark Ops proprietary CTV2 steel, an exotic and expensive hybrid of Chromium, Cobalt, Tungsten, Vanadium, Molybdenum, in an alloy of surgical grade stainless steel. Thorough hardened to 58 HRC Rockwell with a secondary cryogenic cutting edge hardening, it is a steel that is basically indestructible! A full quarter inch thick, it is one of the heaviest production blades in existence today. Production versions feature the StratoFighter Laser Engraving and CTV2 Steel demarcation. 100% made in America! Stiletto blade style available with half serrated cutting edges.