Knife opening length 16cm, blade length 6cm, hardness 55HRC, stainless steel color, color two colors, single card packaging. This product is made of high quality stainless steel, CNC machine tool cutting edge, make it sharp and durable, wear resistance, high hardness. Surface after deep heat treatment, polishing, polishing, plating and other processes, not easy to fade, corrosion resistance, oxidation resistance, better texture, highlight the most expensive model.