Zero Tolerance 0804CF; 3.9&rdquo; CTS-204P Steel Blade, Tungsten DLC Coating, Carbon Fiber and Titanium Handle, KVT Ball-Bearing Opening, Titanium Frame Lock and Pocketclip, Aluminum Backspacer; 5.1 OZ. Designed by Todd Rexford and precision engineered by Zero Tolerance Stealthy tungsten DLC blade finish gives an attractive matte look and enhanced friction reduction and hardness Large 3.9 blade made of premium CTS-204P powdered steel is resistant to wear and corrosion for excellent toughness Highly reliable, professional, hard-use EDC perfect for active military, contractors, first responders, wilderness guides, law enforcement and rescue teams Lightweight handle features carbon-fiber front and titanium back scale, KVT ball-bearing opening, flipper, custom aluminum backspacer, lanyard hole and titanium frame lock and pocketclip