Gritomatic guarantees authenticity

Atoma Diamonds are used for sharpening knives on Hapstone

and lubricates almost anything

Tsushima Nagura (対馬名倉) is mined on Tsushima Island off the coast of Nagasaki Prefecture in Japan

Abrasive material: Slate

tsushima stone edge pro Gritomatic guarantees authenticityTsushima 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