The KOCHAB stone set includes:

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Tsushima Natural Nagura stones are used to create a honing paste on the surface of natural stones in order to refine the grit structure and give the stone a better bite on the edge being sharpened

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baikalite stone edge pro bestseller The KOCHAB stone set includes:Baikalite 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 ")