boride pc stone for edge pro Grit:1200 As you might have guessed

As you might have guessed from the name of the series

CBN's high thermal stability and chemical resistance make it suitable for sharpening in conditions where synthetic diamonds are not normally employed

400 and 1200 grit

Snow White should be used with water as a lubricant

Select II is premium sharpening stone series of Sigma Power

boride pc stone for edge pro Grit:1200 As you might have guessedBoride Sharpening Stones are used for sharpening knives on Hapstone Pro sharpeners. Boride offers a wide range of stones with different performance values and different rates of wear. Boride stones are made of aluminum oxide, with the exception of CS HD series stones, which are made of silicon carbide. All Boride stones are 6 mm thick and are mounted on high quality aluminum blanks. Stones that are 6 mm thick offer a longer life cycle than stock Edge