This is the CRKT Vodoo Spring Assisted Knife with a Metallic Grey handle and a Satin Blade by Columbia River Knife and Tool. It is overall open length 7.75" with a 3.7 inch spear point blade. The Vodoo was designed by renowned custom knife makers Pat Wes Crawford of West Memphis, Arkansas, the Voodoo is an open build aluminum framed locking liner folder with Assisted Opening. It features a unique symmetrical design, drilled to reduce weight. CRKT were able to employ the Tailwind™ Assisted Opening technology (patent pending) which is ingeniously simple, strong and lightweight. Its over-center cam/spring design holds the folder securely closed. When either of the dual custom thumb studs is rotated outward 30 degrees, the Tailwind spring instantly rotates the blade to full open and locked position. Teflon® bushings at the blade pivot help make the action smooth and very, very fast. The Voodoo's blade is premium 154 CM stainless steel, with a Rockwell hardness of 58-60. The blade is a modified spear point, hollow ground with a false top edge to aid penetration, while the blade spine keeps its full thickness for two thirds of its length for strength. Both Razor-Sharp and Combined Razor-Sharp Triple-Point™ Serrated cutting edged models are available. Blade finish is a non-reflective light bead blast. Four lightening holes in the blade also add a decorative touch. The handle uses our exceptionally rigid and strong Inter Frame construction, with two 410 stainless steel liners, one locking, and scales of 6061 aluminum, hard anodized Gray. To aid grip, the handle features inlaid and textured strip inserts of black Santoprene on both sides of the knife. Premium Torx® fasteners are used throughout. The Voodoo comes with a removable pocket/gear clip of 410 stainless steel in light bead blast finish. The symmetrical clip can be reversed thanks to tapped holes on both sides of the knife.