NORTON 87795 Rubbing Brick, 1-1/2 in Thick Blade, 6 to 120 Grit, Extra Coarse, Silicone Carbide Abrasive

Used for heavy-duty applications such as rubbing floors, cleaning and scouring castings, rubbing down concrete, and removing mold marks. Griddle bricks quickly clean away carbon build-up and other residue on your grill without leaving fibers, which grill brushes often do.