POWERTEC presents the Premium Grade Assorted Grits (80, 120, 220 Grits), 5-In. 9 Holes Hook and Loop Sanding Disc Set - 45 Pack. These 80, 120, 220 grit Ceramic sanding discs are perfect for smoothing a wide range of materials and surfaces, including paint, wood, metal, plastic, and difficult-to-sand materials such as superalloys and stainless steel. If you're a professional woodworker, metalworker, painter, and craftsman, these hook and loop 5 in. sanding discs are ideal for: Shaping wood projects, Smoothing rough surfaces, Removing old paint or varnish, Removing rust and corrosion. Features: Anti-clog construction for durability and performance, Maximizes dust collection for a cleaner work environment, Removes large amounts of material quickly. Sanding Grit Type: 80 grit for smoothing rough surfaces, 120 grit for removing small imperfections, 220 grit for preparing surfaces for finishing.