This can be a Sakai Takayuki Japan Steel(Nihonkou/HAGANE) w/Bolster Japanese Chef’s Yo-Deba Knife(Western Deba Knife), manufactured by probably the most famous workshop, Aoki Hamono Co.,Ltd. in Sakai/Osaka prefecture, Japan. Yo-Deba(Western Deba) are double bevel and used now not just for fish but meat as well.To tell apart them from Japanese traditional Deba, they’re referred to as Yo-Deba in Japan. It looks as if Gyuto in shape, however the blade is much thicker and extremely sturdy. This model is made of Japan Steel(Nihonkou/HAGANE), w/Bolster, which is the most well liked among their Hi-Carbon Steel Knives with more than 30 variations of Blade type and length.
Sakai Takayuki’s the most well liked Hi-Carbon Steel model with Bolster
Yo-Deba Knife: 5 Blade Length variation from 180mm-300mm(7.1″-11.8″)
Made in Japan
*Yo-Deba(Western Deba) are double bevel and used now not just for fish but meat as well