Enhance your work environment with the ProSand Multi-Air Cyclone H831 coarse grit vacuum disc, designed for aluminum, fiberglass, composites, and all wood types. Featuring long-lasting, self-sharpening zirconia alumina grain and a spiral-hole vacuum design, it effectively removes material while you work. The flexible, tear-resistant E-weight backing provides durability, and its anti-static coating and open coat address loading concerns, making it ideal for demanding applications.