the photo does not exactly match the original

Never dry Gokumyo stones near heat

and work in a similar fashion to conventional waterstones

Tsushima Nagura has one side ready to use

The KOCHAB stone set includes:

baikalite stone edge pro bestseller the photo does not exactlyBaikalite 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 ")