Convolute Wheel, Abrasive Material Aluminum Oxide, Connector Size 1 in, Density Rating Hard (8), Grade Medium, Series XL-WL, Face Width 1/2 in, Maximum Operating Speed 6,000 RPM, Overall Diameter 6 in, Abrasive Type Non-Woven, Coating Coverage Open, Color Gray, Grit Not Applicable, Resistance Properties Load