The Shark 2″ Surface Conditioning Discs in brown, coarse, and type R quick change are a must-have for industrial use. With a diameter of 2 inches, they are perfect for surface preparation and finishing. The coarse grit is ideal for removing rust, scale, and other tough materials on metal surfaces. Designed with type R quick change, these discs quickly attach and remove from the backing plate for hassle-free use. Investing in these Shark surface conditioning discs will ensure efficient and effective results in your industrial projects.