Flap Disc, Type 27, Disc Diameter 4 1/2 in, Mounting Hole Size 7/8 in, Abrasive Grit 40, Abrasive Grade Coarse, Disc Backing Material Cloth, Abrasive Material Ceramic, Series 967A, Backing Weight Y, Max. RPM 13, 300 RPM. This item has been restricted from sale in the following state (s): []