Tsushima Nagura has one side ready to use

The estimated grit for Dota Creek is 5000 JIS

and work in a similar fashion to conventional waterstones

Adjustable Clamp Frame

baikalite stone edge pro bestseller Tsushima Nagura has one sideBaikalite sharpening stones are used for finish sharpening and honing knives on Hapstone Pro and Edge Pro sharpeners. Baikalite is a naturally abrasive material of high density. Baikalite stones are mounted on high quality aluminum blanks. Baikalite is mined in the Baikal region of Russia. Baikalite is a dense, opaque variery of silica rock. Specification Product size: 160 x 25 x 9 mm (6" x 1" x ") Working surface: 152 x 25 x 6 mm (6" x 1" x ")