The Lot 100 Norton ProSand 6" Cyclonic Hook & Sand Sanding Discs in 60 grit are high-quality sanding discs designed by Norton, a trusted brand in abrasives. With a height of 6 inches and a weight of 3 pounds, these discs are ideal for various power tool applications. Manufactured by Saint-Gobain Abrasives Inc, these sanding discs offer a consistent and efficient sanding experience, making them a valuable addition to any workshop or home improvement project.