Originally designed for separating meat (carcass), they have thin and long blades for meat cutting. There are various sizes besides this. From 180mm that are great for cutting vegetables and bread at home, to 400mm that are great for separating meet. Versatile knife. Item Condition : Brand New Brand : Kanetsune Model : 1000 Series Type : Chef's Knife Total length : 305mm (12.0") Blade length : 180mm (7.1") Blade width : 42mm (1.7") Blade thickness : 1.8mm (0.07") Net weight : About 140g HRC : 59 or more Material Blade : Takefu Shiro-2 High carbon steel core / SUS410 Stainless steel Handle : Plywood Hon-Warikomi, clad blades made of Takefu Shiro-2 High carbon steel cutting core, sandwiched between SUS410 stainless steel which provides excellent edge retention, HRC 59 or more. O-Shaped simple style handle without bolster, very popular edition in japanese kitchen. Carbon steel blades are sharp and retain their sharpness for a long time, but can easily rust. Professional chefs and cooks prefer to carbon steel blades. They are recommended for people looking for a sharp knife and who are willing to spend some extra time on maintenance. Please make sure you wipe water out and store it. Made in SEKI JAPAN