The Camillus Les Stroud SK Mountain 10 Ultimate Survival Knife with Ultimate Survival Sheath has a Carbonitride Titanium, 440 Stainless Steel blade. The SK Mountain has a 4.75 partially serrated, non-stick blade and knurled steel pommel. The hard ballistic sheath has a number of integrated components including a V-sharpener, paracord wrap, LED flashlight & whistle, fire starter, S.O.S. signal mirror, storage compartment, survival tips and a mesh pocket with trail map. Lifetime Warranty.