The flatness tolerance for the Scorpion series is 0

Arkansas stones are made of novaculite

W8 8000 is part of Suehiro traditional Waterstone series which includes Kouga 3000

Thickness: 1 mm (standard 0

6" resin-bonded dual-sided diamonds

boride cs hd stone for edge pro Grit:800 The flatness tolerance for theBoride 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