【Premium Core Steel】Chef knife adopts a classic sandwich composite structure with high-performance Japanese 10CR15MOV steel as the core, which has excellent cutting performance and superior wear resistance, the highly resilient composite steel cladding on both sides enhances the blade's corrosion resistance. With a hardness of up to 62 HRC, it maintains its sharpness longer than traditional knives. 【Hand-Sharpened 12° Cutting Edge】Kitchen knife blade is meticulously hand-polished to a precise angle of 12°, ensuring a razor-sharp cut whether slicing delicate sashimi or tough root vegetables, perfectly preserving the texture and freshness of the ingredients. Designed to stay razor-sharp for months, the knife requires sharpening only once every three months with regular use, and comfortable use for both left- and right-handed users. 【Fusion of Balance and Ergonomics】Our Japanese knife's handle is crafted from premium rosewood and features an ergonomic design that perfectly conforms to the natural curve of the hand, like a natural extension of the arm, creating a balanced weight. It easily adapts to various holding styles and cutting angles, ensuring confident control whether you're performing repetitive chopping or delicate slicing. 【Japanese Masterful Artistry】This gyuto knife is crafted using traditional Japanese Kurouchi Tsuchime technique, preserving the natural layered pattern of the nine-steel construction, and featuring a distinctive hammered finish and blackened surface. The combination of a carefully selected hardwood handle and branded brass studs embodies both craftsmanship and Eastern aesthetics, highlighting traditional knife-making craftsmanship and the collectible value of this chef's knife.