Precision Surface-Conditioning Disc, Abrasive Type Non-Woven, Abrasive Material Ceramic, Backing Material Not Applicable, Backing Weight Not Applicable, Coating Coverage Not Applicable, Grade Coarse, Grit Not Applicable, Overall Diameter 2 in, Quick Change System TS, Series PN-DS, Maximum Operating Speed 25,000 RPM, Color Brown, Package Quantity 50