Quick-Change Sanding Disc, Abrasive Type Coated, Abrasive Material Aluminum Oxide, Backing Material Polyester, Backing Weight Y, Grade Extra Coarse, Grit P24, Overall Diameter 3 in, Quick Change System TR, Series ARY19, Maximum Operating Speed 30,000 RPM, Color Brown, Package Quantity 50. This item has been restricted from sale in the following state(s): []