Atoma Diamonds are used for sharpening knives on Hapstone

Universal Angled

Gritomatic Silicon Carbide Stones are recommended to be used with water as a lubricant

Please do not use too large pieces as the laser beam should not be obstructed

Never dry stones near heat

boride ruby stone for edge pro Grit:220 Atoma Diamonds are used forBoride 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