OEMTOOLS 22518 3” Twist Lock Surface Prep Discs efficiently grind away tough rust, oxides, paint, and grit from metal and wood surfaces, making this coarse grain grinding disc bundle an essential asset for any tradespersons arsenal. The broadly compatible die grinder attachments quickly and easily connect to twist-to-lock holders to keep you moving toward your goals. With a versatile 3 inch sanding disc diameter, each cleaning disc offers both precision and coverage. The brown-colored coarse grain efficiently evens surfaces, de-burrs, and smooths sharp edges, so you can rely on these surface conditioning discs to ensure every inch of your work surface is ready for the next step. Whether used as die grinder polishing pads or air grinder sanding discs, these surface conditioning pads are rated up to 20,000 RPM and designed for an enhanced service life. When you need a reliable, long lasting surface prep tool, you can count on the OEMTOOLS Surface Prep Disc Set.