In woodworking, just as in racing, It all comes down to the finish. The POWERTEC 45100 A/O hook and loop 8 hole Disc, 6-inch, assortment grits 40, 80, 120, 220, 320 Red, 100-pk delivers a full spectrum of sandpaper grits to meet all your sanding needs. From the hard cutting/grinding of the lower grits to the fine detail polishing of the very fine grits, you'll have everything you need close at hand for a more effective, productive and efficient workflow. Our premium aluminum Oxide is a high-performing, tough, potent, and versatile abrasive. Its open-coat design ensures uniform, even scratch patterns; Its Stearate coating makes for clog and load-resistance. Resin BOND ensures essential heat resistance. It is the ideal paper for your high-speed applications. A/O discs maintains their cutting edge up to 4 times longer than standard discs.