Surface-Conditioning Disc, Abrasive Type Non-Woven, Abrasive Material Aluminum Oxide, Backing Material Polyester, Backing Weight Y, Grade Coarse, Grit 50, Overall Diameter 3 in, Quick Change System TR, Series Surface Prep, Maximum Operating Speed 20, 000 RPM, Resistance Properties Load, Color Brown. This item has been restricted from sale in the following state (s): []