Abrasive material: Slate

Charnley Forest stones may have slight natural imperfections

The second distinctive feature is simplicity and comfort during operation

Atoma Diamonds are used for sharpening knives on Hapstone

and lubricates almost anything

tsushima stone edge pro Abrasive material: SlateTsushima Whetstones are used for fine sharpening on Hapstone or Edge Pro sharpeners. Tsushima is natural stone with estimated grit approximately 5000 JIS. Tsushima stones are mounted on high quality aluminum blanks. Tsushima () Whetstone is mined on Tsushima Island off the coast of Nagasaki Prefecture in Japan. Tsushima is preliminarily lapped and does not require lapping after purchase. Tsushima should be used with water as a lubricant. All that is