Unitized Wheel, Abrasive Material Aluminum Oxide, Density Rating Medium (5), Grade Medium, Series Bear-Tex Vortex Rapid Blend, Face Width 1/4 in, Maximum Operating Speed 22, 100 RPM, Overall Diameter 2 in, Connector Size 1/4 in, Connector Type Unthreaded Hole, Quick Change System Not Applicable, Abrasive Type Non-Woven, Color Blue, Resistance Properties Smear. This item has been restricted from sale in the following state (s): []