Scotch-Brite(TM) Roloc(TM) Surface Conditioning Disc TS, 2 in x NH A CRS, 50 per inner 200 per case A non-woven abrasive product used for cleaning, finishing, blending and deburring applications. An attachment system screws onto the holder. Abrasive mineral: Coarse grade aluminum oxide. Color: Brown MOS: 25000 RPM