This is a Sakai Kikukou (Sakai Takayuki) Improved Kasumi Finish, Yellow Steel Usuba Bocho (Vegetable Knife), 180mm (Magnolia and PC Handle). It comes with a dedicated box. This is a model of Japanese knives that offers a reasonable price and is suitable for both home use and professional use. The brand name is "Sakai Kikukou" as a sub-brand. It uses traditional Japanese steel and is a low-priced knife that can be used from home to professional use. The purchase date is unknown. The cosmetic box is dirty. Please understand this before considering a purchase. - Brand: Sakai Takayuki (Aoki Hamono Seisakusho) - Engraving: Sakai Kikukou - Blade Type: Usuba (Thin Blade) - Model: Improved Kasumi Finish - Steel: Yellow Steel - Blade Length: 180mm ※ Definition of Blade Length: The length from the top edge of the blade to the tip. ※ Caution: The sharpness is outstanding, but it is a material that can rust depending on handling. After use, wash with lukewarm water, be sure to remove moisture, and store in a suitable place. If not used for a long time, apply salad oil, maintenance camellia oil, etc., and store wrapped in newspaper, etc. Thank you for viewing.