• Made in Japan: Uses VG10 ultra-hardness: Uses a VG10 Japanese ultra-high hardness that is essential for making cutting knives • Strong and Durable: The core material is sandwiched with soft Damascus steel to disperse the load on the core material, making it strong and durable • (Anti-fatigue Design) The ergonomic nanairodays oval handle is designed to fit comfortably in your hand and is designed to prevent fatigue. In addition, the handle is dark brown, and is made of Pakkawood (laminated reinforced wood) • (Weight) The weight of the knife is also one of the important aspects of sharpness. It is easier for you to cut heavier knives than lighter knives, and you can cut food quickly with the weight of the knife itself. Since there is no need to be wasted force, nanairodays is an easy-to-handle knife for women • Pattern: The Damascus steel pattern used for knives is made by joining different types of steel to create a pattern on the surface. Damascus steel has 16 layers and 33 layers, but the larger layers give a beautiful Damascus pattern. nanairodays have a total of 67 layers, 33 layers on one side + core + 33 layers on one side