All-round package This package of 72 sanding discs includes 12 pcs of 40 grit and 10 pcs of 60/80/120/180/240/320 grit. It is designed to meet all your needs and is suitable for various jobs, from sanding, deburring, blending, grinding, polishing, finishing to rust removal.Good quality and adheres well. SATC sanding pads are coated with premium aluminum oxide grain, which gives our product excellent performance and longer lifespan. Durable hook and loop backing can adhere well without hassle to your random orbital sander.User-friendly With hook and loop backing, 125 mm hook and loop sanding discs can be easily attached to your random orbital sander and replaced when worn out. Try to increase your work efficiency by using our hook and loop sanding discs.Fits well Our sanding discs for electric sanders are compatible with all 125 mm random orbital sanders available on the market. And it is perfect for smaller jobs but can also be used for large jobs.Wide application Our mixed grit sandpaper can work on a wide range of surfaces. They are recommended to work on wood/metal parts and surfaces, but they can also be used on non-metal surfaces and handle a variety of abrasives, in particular sanding, deburring, polishing, and rust removal.