Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Coarse, Backing Plate Material Phenolic, Connector Size 5/8 In. -11, Connector Type Threaded Hole, Density Rating High, Flap Disc Type Type 27, Overall Diameter 7 in, Series Tiger Big Cat HD, Backing Material Phenolic, Backing Weight X, Grit 40, Maximum Operating Speed 8, 600 RPM. This item has been restricted from sale in the following state (s): []