Bond Non Woven Wheel, Abrasive Material Aluminum Oxide, Density Rating Hard (8), Grade Fine, Series Bear-Tex Rapid Blend NEX, Face Width 1/4 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, Resistance Properties Smear