Mounted Point, Abrasive Material Aluminum Oxide, Bond Type Resin, Overall Dia. 1 in, Overall Thickness 1 in, Shank Dia. 1/4 in, Grit 80, Shape W220, Primary Material Application Carbon Steel, Shank Length 1 1/2 in, Specification A80-HBF3, Operating Speed - Maximum 30, 370 RPM, Series A, Grade Medium, Compatible Tool Type Die Grinder, Flexible Shaft Grinder, Straight Grinder, Pencil Grinder, Drills. This item has been restricted from sale in the following state (s): []