Unitized Wheel, Abrasive Material Silicon Carbide, Density Rating Medium (5), Grade Medium, Series Bear-Tex Rapid Blend, Face Width 1/2 in, Maximum Operating Speed 18, 000 RPM, Overall Diameter 3 in, Connector Size 1/4 in, Connector Type Unthreaded Hole, Quick Change System Not Applicable, Abrasive Type Non-Woven, Color Gray, Grit 220. This item has been restricted from sale in the following state (s): []