For more than a half century, Heckler and Koch has been a leading designer and manufacturer of military, law enforcement and civilian firearms. HK’s commitment to quality, innovation and safety make them an industry leader in reliability and technology. The Conspiracy Series Knives have a mono-lock mechanism with drop-point plain-edged coated blade. The blade length is 3.9-Inch with an overall length of 7.5-Inch . The blade is made of 9CR13 Stainless steel material. High traction, Heavy duty 0.18-Inch thick blade.