Spyderco Tenacious Folding Knife 3.35in 8Cr13MoV Drop Point Blade Titanium Blue Handle. Produced by the particle metallurgy process CPM M4's sophisticated alloy composition high vanadium content and extremely fine grain structure give it exceptional wear resistance and toughness-properties that translate to outstanding edge retention and impact resistance in knife blades. The knife's handle features brown peel-ply-textured G-10 scales. Specifications for Spyderco Tenacious 3.35in Folding Blade Knife: Manufacturer: Spyderco Blade Length: 3.35 in Closed Length: 4.38 in Knife Application: Everyday Carry Blade Grind: Full-Flat Sheath Material: No Sheath Package Contents: Spyderco Tenacious 3.35in Folding Blade Knife