Scotch-Brite™ clean and strip XT Pro extra cut disc features aluminum oxide abrasive mineral incorporated into an open nylon web. It is designed to remove heavy rust, thick paint and corrosion while also scratching the base material underneath, which can save you time. The highly conformable, high-strength fibers resist chunking and loading and they perform well on edges. Scotch-Brite™ 7100176140, Center Hole Attachment, 1/2 in Diameter Disc, Aluminum Oxide Abrasive, Extra Coarse Grade, Non-Woven Backing, 6000 RPM Maximum, Green