Cup Brush Product Type Cup Brush Quick Change System Not Applicable Bristle Type Crimped Wire Bristle Material Carbon Steel Brush Dia 3 in Wire Dia 0.014 in Bristle Length 1 in Grit Not Applicable Overall Length 2 7/8 in Compatible Tool Type Right-Angle Grinder Color Silver Primary Material Application Carbon Steel Connector Type Threaded Hole Connector Size M10 x 1.25 mm Operating Speed - Maximum 14 000 RPM Shank Length Not Applicable