Cup Brush Product Type Cup Brush Quick Change System Not Applicable Bristle Type Crimped Wire Bristle Material Bronze Brush Dia 6 in Wire Dia 0.014 in Bristle Length 1 15/16 in Grit Not Applicable Overall Length Not Applicable Compatible Tool Type Right-Angle Grinder Color Not Applicable Connector Type Threaded Hole Connector Size 5/8 In.-11 Operating Speed - Maximum 6 000 RPM Shank Length Not Applicable