【Premiun Japanse ZDP-189 Steel Knife】Crafted with a three-layer composite steel, this knife features a Japanese ZDP-189 powder steel core, which has incredibly 65-67HRC high hardness. The blade maintains its sharpness and cutting efficiency over extended use, reducing the frequency of sharpening and maintenance. XINZUO professional chef knife undergoes a meticulous manufacturing process spanning 65 days and over 30 individual steps. 【 Comfortable Ergonomic Handle】The Kiritsuke chef knife is designed with an ergonomic octagonal handle made from North American Desert Ironwood and White Buffalo Horn. This provides a comfortable grip, ensuring precise control and reducing hand strain during extended use. Desert Ironwood is one of the hardest and densest woods available, ensuring a long-lasting handle that maintains its appearance and integrity over time.