The knife deba by Tojiro with a blade length of 21cm, is designed for the cutting and filleting of whole fish without damaging their flesh. It can also be used for cutting chicken or meat, but they have small bones. It has a medium-sized blade with a slightly curved edge. It is made of Shirogami steel, a high-carbon content material. It is one of the sharpest metals for kitchen knives, but it is not stainless. It is easily sharpened and provides a better cutting sensation due to its thin structure. Proper maintenance and careful cleaning and drying after each use are required to avoid rust.