Unitized Wheel, Abrasive Material Ceramic, Density Rating Medium (6), Grade Medium, Series DP-UW, Face Width 3/4 in, Maximum Operating Speed 15,100 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, Resistance Properties Load