Wire Wheel Brush Bristle Type Crimped Wire Product Type Wire Wheel Brush Bristle Material Nylon Brush Dia 4 in Face Width 5/8 in Bristle Diameter 0.04 in Bristle Length 7/8 in Compatible Tool Type Drill Press Primary Material Application Carbon Steel Connector Type Round Shank Connector Size 1/4 in Operating Speed - Maximum 9 000 RPM Shank Length 1/4 in