ATOMA Diamond Whetstone #400, Rough Grit
Size: 8 1/4 inch X 3inch X 1/2 inch (210mmX75mmX13mm)
Weight: 1lb. 3.4oz.
It is rough grit, but it is higher than #140, so it is great for lapping sharpening stone for medium grit hone and fine grit hone.
It is also great for removing lots of steel or iron from the cutlery as rough grit sharpening stone.
When the sharpening surface is worn out, it is able to change to replacement sheet.
****After used the Atoma Diamond whetstone, we should rinse slurry well and dry it.
It prevents the rust of the sharpening surface of Atoma Diamond whetstone*****