Large Hapstone Medium Stone Booster 8" X 2.4”

The medium Stone Booster is designed to refresh and clean sharpening stones with grit ranging from 40/28µm (approx. 550 grit). to 2/1µm (approx. 8000 grit) Size: 8” x 2.4” x 3 /4” (200×60×20 mm) 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.