The blade is constructed from genuine Japanese steel to maintain its sharpness over time, corrosion resistance, durability and carbon content are considerably higher than those of stainless steel, forged by the traditional 3-step Honbazuke method to produce the chefs knife of outstanding performance. This Japanese chef knife comes out before indispensable 32-step manufacturing processes, the incredible sharpness origins from our concentration on every step of precision crafting. Expertly forged and polished, carefully hand-sharpened edge for the ultimate in sharpness and precise cutting results. Please do not test it with your fingers and keep it out of the reach of children. Its design is a perfect blend of traditional mythology and modern elements, the drawings of the knife blade design and the shape/material of the handle design were the result of a long process of weighing up the options. Refined aesthetics, incredible edge retention and unrivaled performance are the key factors in its popularity in the market.The Black Tortoise, known in Japan as Genbu (げんぶ), is one of the four guardian spirits that protect Kyoto and it is said that it protects the city on the north. Represented by the Kenkun Shrine, which is located on top of Mt Funaoka in Kyoto. SHAN ZU aims to bring this wonderful blessing to our customers. We "sell" cooking pleasure and life happiness to thousands of millions of people across the world. If you have any questions or demands about the knife, please do not hesitate to contact us and we will always be here to solve any problems for you at any time. SHAN ZU 8 inch chef knife will be a practical and creative gift for your loved ones.