Norton 8" x 2" x 2" Fluted Hand Rubbing Bricks

Norton 8" x 2" x 2" Fluted Hand Rubbing Brick Features 20 Grit Fluted Rub Brick Abrasive block for removing mold marks and rubbing down concrete Silicon carbide (Crystolon) is more aggressive and cuts faster than aluminum oxide It is ideal for removing form marks from concrete, as well as smoothing and dressing down concrete and wet tile