Scotch-Brite(TM) Coating Removal Disc Pack 917CS, 7 in, Custom, 1 per inner 5 per case Introductory pack containing 7 inch disc constructed of heavy duty, semi-open web used to clean rust and paint. Has a backing that mounts to hook and loop pads. Includes a 917 disc pad holder. MOS: 6000 RPM.