Multi-grit sanding discs ----- 80 pieces per carton, 5 different sandpaper assortments from coarse to fine, 10 x 40/60/80/120/180/240/320/400 grit sanding discs with hook and loop backing to offer you more options when needed. 125 mm diameter, 8 holes, mixed grit, ideal for all 5-inch sanders. High-quality ----- High-quality aluminum oxide sanding disc backings made of aluminum oxide abrasive with special heat treatment offer excellent polishing, sharpness, and wear resistance. Durable and antistatic, a good choice for sanding and polishing. 8 holes are designed for efficient dust extraction. Easy to use ----- Hook and loop backing, quick and easy to apply, strong and durable, stays in place during installation, easy to install and remove. Widely used ----- Primarily used for grinding, polishing, etc., wood, plastic, stone, glass, and other materials, as well as metal and non-metallic materials with various complex profiles, for removing rust, stripping paint, deburring, and grinding solder joints. Even sand-resistant ----- resin bonding system provides a smooth finish and excellent grain support. Fine and scratch-free cut; suitable for working on large and curved surfaces.