Norton 5" Coarse Rapid Prep AO Disc 25pk - N662610044355" Coarse Rapid Prep Surface Conditioning Hook & Loop Disc 66261004435 Make your cuts up to 20 percent faster, and get generally better performance, with this Bear Tex Rapid Prep AO coarse grit non woven hook & loop disc on your angle grinder. This sturdy disc uses a high quality aluminum oxide abrasive to produce a coarse grain for first passes that efficiently shave away the metal you're working with. The high loft nylon fiber material in the