The Ingersoll Rand 7 Piece 3 in. Surface Prep Grinder Disc Kit features sanding discs and backer pads for use with die grinders. If you're not quite sure what abrasives you'll need for your next project, Ingersoll Rand has provided a prep grinder disc kit for your convenience. This prep grinder disc kit removes paint, rust and corrosion from metal, plastic, wood, and other surfaces. Giving you a variety of surface prep tools, you'll be able to start any job with this prep grinder disc kit. Get the job done right with the convenient prep grinder disc kit!