3M offers these non-woven abrasive discs for cleaning, finishing, blending and deburring applications. These discs can be used for removal of light rust, oxides and coatings and leave a burr-free surface suitable for painting or coating. Discs utilize the Roloc-TR threaded attachment system to secure the disc to the holder, with a male-threaded button on each disc. Abrasive mineral is aluminum oxide in very fine, medium and coarse grades. Discs are color-coded to indicate the various grades. Color: Maroon. Grit: 100-120. MOS for 2" discs—25,000RPM