The BHA 3” Gold Stearate Aluminum Oxide hook and loop sanding discs are an ideal choice for a wide variety of power sanding and orbital sanding applications. Made with premium aluminum oxide (A/O) grain, these sanding disks provide fast material removal and long-lasting performance. AO is an economically priced abrasive with a long life and quick cutting edges, making it a great choice for sanding ferrous and non-ferrous metals, softwoods and hardwoods, plastics, drywall, and fiberglass. BHA's discs are enhanced with gold stearate coating to optimize performance by preventing the sandpaper from gumming up (anti-loading), while the extra strong hook & loop backing locks in place for the most secure attachment during heavy-duty tasks while sanding wood or grinding metal. The sanding discs are easy to install and remove, suitable for dual action sanders, orbital sanders power drills, air grinders, and die grinders. These high-quality sanding pads also feature an upgraded durable C-weight backing that resists tearing, making them an ideal sanding tool for woodwork, car sanding and body filler removal, metalwork, sanding drywalls/ceilings, furniture restoration and refinishing, and more. The BHA 3” Gold Hook & Loop Discs are sold in 50 packs the following grits: -Coarse: 40, 60 grit - Removing material quickly, such as stripping paint or rust -Medium: 80, 100, 120 grit - Preparing a surface for finishing, such as sanding softwood or hardwood before staining or painting -Fine: 150, 180, 220 grit - Creating a smooth finish, such as sanding wood after staining or painting -Ultra Fine: 320, 400, 600 grit - Polishing a surface, such as removing scratches from wood or metal From automotive prep and rust removal to refinishing furniture and DIY projects, our heavy-duty sanding discs have you covered. Click the Buy Now button and make the BHA 3" Gold Hook & Loop Sanding Discs your go-to sanding tool.