Large Hapstone extra coarse stone booster 8" x 2.4”

Hapstone Coarse Stone Booster

Size: 8” x 2.4” x 3 /4” (200×60×20 mm)

The Coarse Stone Booster is designed to refresh and clean sharpening stones with grit ranging from 500/400 µm (approx. 30-50 grit) to 120/100 µm (approx. 120-150 grit).

Perfect for:

• Light flattening and cleaning of synthetic stones: Boride, Naniwa, Shapton, Suehiro

• Quick сleaning and light flattening of Hapstone Premium CBN/Diamond stones

• Works excellently with PDT Premium and Expert series (metallic and resin bonds)

How to use:

Soak the booster for 2-3 minutes before use. Run the sharpening stone over the surface of the booster using a variety of motions. Avoid excessive pressure to maintain the geometry of the stone. After use, rinse the booster thoroughly under running water to remove any abrasive residue.