The 3M™ Roloc™ Ceramic Sanding Discs feature a high-performance blend of ceramic material and aluminum oxide, offering excellent durability and cutting efficiency. This combination enhances productivity for both stock removal and finishing tasks. The heavy-duty, water-resistant polyester backing supports medium-pressure applications, ensuring a consistent cut rate and making the discs suitable for both wet and dry use. Available in 60, 80, and 120 grits and the discs are color-coded by the center nub for easy identification of each grit.