JAPANESE SUPER STEEL: The blade is constructed from genuine Japanese steel forged by the traditional 3-step Honbazuke method to maintain its sharpness over time, durability and carbon content are considerably higher than stainless steel UNRIVALED SHARP: Fillet knife comes out with 32-step manufacturing processes, the incredible sharpness originates from our concentration on every step of precision crafting. Expertly forged and polished, hand-sharpened edge for the ultimate in sharpness SIGNIFICANT DESIGN: Its design is a perfect blend of traditional mythology and modern elements. Refined aesthetics, incredible edge retention, and unrivaled performance are the key factors in its popularity in the market MEANING OF GENBU: 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 in the north. SHAN ZU aims to bring this wonderful blessing to our customers LIFETIME PROMISE: We "sell" cooking pleasure and life happiness to thousands of millions of people across the world. If you have any questions about the knife, please do not hesitate to contact us we will always be here to solve problems