Remove the assembly screw

PSA-backed (pressure sensitive adhesive) lapping film is extremely easy to use

We recommend using the thickness compensator if you use stones of different thickness

This is not a defect

The rotating clamp module has the crossbar for multiple clamps (up to 6)

boride golden star stone for edge pro Grit:800 Remove the assembly screwBoride 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