4.5 X5/8 -11 40GRT 20X FLAP DISCS
40 grit, coarse. For rough grinding and heavy removal of coating, rust or scale on wood, metal, or fiberglass. For grinding and finishing with the same wheel. Zirconia alumina abrasive cloth lasts 20x longer than fiber discs. Built-in angle for grinding. Phenolic resin backing pad. For metal fabrication, blending welds, deburring, cleaning, stripping, and finishing. 4-1/2” x 5”-11 hub.