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 backing pads the disc face and extends its useful life, while Clean Bond resin technology helps ensure a smear-free finish even on alloys with a high nickel content.