Retired Sergeant Major Darrin Sirois channeled experience from 25 years of active duty into the creation of his original design. The knife world loved it. Then, renowned expert Chris Williams made several small suggestions. The revisions boosted the SiWi compact tactical fixed blade into a league all its own. This is collaboration at its finest. Features: Compact Fixed Blade SK5 Carbon Steel Blade Black Powder Coat Blade Finish Blade Length 3.34" (84.86 mm) Blade Edge Plain Blade Steel SK-5 Blade Finish Powder Coat Blade Thickness 0.20" (5.08 mm) Overall Length 7.44" (188.93 mm) Weight 5.60 oz. (158.76g) Handle G10 Style Fixed Blade Knife w/Sheath Sheath Material Glass Reinforced Nylon Sheath Weight 3.40 oz. (96.39g)