Variety Pack Box of 50 Dura-Gold Premium 3\" Sanding Discs with a Hook & Loop Backing plus a 3\" Drill Backing Plate with Soft Interface Pad. Pack includes 5 sheets each of 10 different sanding grits: 40, 60, 80, 120, 220, 320, 400, 600, 800, and 1000 Grit. The hook & loop backing enables them to be quickly and securely attached to a sanders hook & loop backing plate or a baking plate attachment on a drill. Superior quality sanding discs made with super coated aluminum oxide corundum that\'s fused with zirconia alumina. It delivers a fast, exceptionally long-lasting sharp cut with a consistent scratch pattern. It has maximum resistance to clogging and loading, increasing your productivity and reducing material consumption. This variety packs a range of extra-fine to extra coarse sandpaper discs, making them ideal for sanding on all types of surfaces. Use them for fine to aggressive sanding on automotive paint, primers, body fillers, and putties before painting or for removing scratches on wood and paint. Our sandpaper discs are suitable for use in auto body and paint shops, woodworking wood furniture making, metalworking metal sanding, crafting, household, drywall, industrial, fiberglass, plastics, or any other surface that needs sanding. Dura-Gold offers a complete vast product line of professional, high-quality sandpaper types that provide exceptional sanding performance, so you can get the job done fast, saving you time and money!