These premium aluminum oxide grain sanding discs are manufactured with the highest standards in the industry and are designed for heavy-duty stripping and preparing primed and painted surfaces. These disks can be used on metal for finishing and for sanding of plastics, fiberglass, and wood. Gator® products are engineered to be tough, long wearing, and consistent for a professional finish. We test our products to exacting standards to ensure the finest quality and performance. Whether a do-it-yourselfer or seasoned pro, you can trust Gator® finishing products to get the job done right.