Features: Stonewash finished drop point blade made of Bohler N690 steel. Integral contoured steel handle with stonewash finish. Kydex neck sheath with neck carry lanyard. Description: The Extrema Ratio NK1 is a compact, yet rugged fixed blade knife that makes a great companion for everyday carry, camping, or self defense. The steel of the blade is thick and tough, and features a nice finger groove giving you a secure grip on the knife. Extrema Ratio Knives are tough, purpose-built tactical knives that come in all shapes and sizes.