Flap Disc, Type 29, Disc Diameter 4 1/2 in, Mounting Hole Size 5/8 In. -11, Abrasive Grit 80, Abrasive Grade Medium, Abrasive Material Zirconia Alumina, Series Tiger (R), Max. RPM 13, 000 RPM. This item has been restricted from sale in the following state (s): []