Sakai Takayuki Tokujou Usuba 180mm White 2 Carbon Steel 220 mm The difference is that

The difference is that

the diamond abrasive is electro-bonded to a thin layer of steel sheet

303 mm  Tip to Heel Length

Blades that are the perfect blend of technology and tradition

I am sure it can only be done by someone really knows his stuff

Sakai Takayuki Tokujou Usuba 180mm White 2 Carbon Steel 220 mm The difference is thatThe Sakai Takayuki Tokujou Usuba 180mm is a single bevel vegetable knife featuring White 2 carbon steel, best fit for professional chefs and enthusiasts performing katsuramuki and precise vegetable preparation. This traditional Japanese profile measures 180mm with a straight edge designed specifically for clean chopping and slicing vegetables into thin continuous sheets. Produced by Aoki Hamono in Sakai, the Tokujou line represents an intermediate