Camillus TigerSharp Folding Knife features TigerSharp Technology. Never needs to be sharpened, simply remove the dull blade and slide a fresh one between the guides. The Titanium Bonded blades are 3x harder than steel and stay sharper longer. Resists corrosion and adhesives. Features a thumb-stud for fast opening. The handle is Glass Filled Nylon, a material that is used in many of our knives. We add glass-filled materials to polypropylene, ABS and other substrates in order to provide the strongest, most rigid handles. Liner Lock & Pocket Clip. Lifetime Warranty.