The diamonds are abrasive to match the hardness and steel of the kitchen knife, and are neither too soft nor too hard, making them ideal for sharpening kitchen knives.
The precision of the grit size, which is one of the attractive features of NSK Kogyo, is of course also maintained.
It can be used for all types of steel, and is especially best for sharpening Honyaki and clad carbon steel kitchen knives.
Grit #400
Abrasive Thickness ~4.4mm
200mm x 75mm x 26mm (LxWxH)