Flap Disc, Type 29, Disc Diameter 4 1/2 in, Mounting Hole Size 5/8 In. -11, Abrasive Grit 60, Abrasive Grade Medium, Abrasive Material Zirconia Alumina, Series Tiger X, Backing Weight X, Max. RPM 13, 000 RPM. This item has been restricted from sale in the following state (s): []