440A black Tungsten DLC coated stainless steel serrated Tanto blade for strength and corrosion resistance. Handle is made of anodized aluminum with trac-tec inserts. Liner, 410 stainless steel. Speed safe opening, thumb stud. Blade is 3-3/8" This serrated knife will give you top performance and style! This Kershaw Ken Onion Tactical Blur, Model KS1670TBLKST, has a 440A Tungsten DLC coated stainless steel 3 3/8" serrated Tanto blade with a black anodized aluminum handle. This makes the handle durable and lightweight. Also the handle is made with rough Trac-Tec material, which provides a non-slip grip even in wet and slippery conditions. The Speed-Safe torsion bar allows this knife to be opened with one push. Blurs are Speed Safe equipped for smooth, one-handed opening. When closed this 4.2 oz Kershaw knife is 4 1/2" long.