SOG One-Zero Apex Automatic 3.1in Knife - One-Zero AU is the apex gentlemans automatic knife made for daily carry. Due to its secure auto-locking mechanism, users can count on safe operation immediately upon the blade's deployment regardless of the task they're taking on. And, thanks to its rugged, CRYO CPM S35VN steel drop-point blade with a satin two-tone finish, it's sure to make quick work of every job, every time. Attached to the blade is a sculpted, aircraft-grade aluminum handle with hidden fasteners, providing an elegant look and a comfortable secure grip whatever the task is at hand. The handles hard anodized finish will withstand years of use and still look fresh. Features Eye-catching looks are paired with hardworking materials and construction in this everyday carry tool. Sculpted aluminum handles with a hard anodized finish and a two-tone blade. One-Zero AU is the first choice for a discrete automatic daily carry knife from a sea of tactical automatic knives. Blending premium materials with precise design, One-Zero AU is a sleek, sophisticated automatic knife that delivers confidence in a detailed and powerful package. A tough and corrosion-resistant steel that is cryogenically heat-treated to SOG's unique performance specifications. The two-tone finished CPM S35VN blade provides the ideal combination of sharpness and toughness of edge for heavy use with minimal maintenance. The sculpted aircraft-grade aluminum handle features an elegant and beautiful hidden fastener design. Just enough grip to handle any daily carry task. The hard anodized finish will look great over the long haul. AU-XR is incredibly strong and safe with auto locking that secures the blade in place upon deployment. One-handed blade opening is a dream while you enjoy the satisfying snick of the blade as it flies open.