Cup Brush Product Type Cup Brush Quick Change System Not Applicable Bristle Type Crimped Wire Bristle Material Carbon Steel Brush Dia 6 in Wire Dia 0.02 in Bristle Length 1 1/4 in Grit Not Applicable Overall Length 6 in Compatible Tool Type Right-Angle Grinder Color Silver Primary Material Application Carbon Steel Connector Type Threaded Hole Connector Size 5/8 in-11 Operating Speed - Maximum 6 600 RPM Shank Length Not Applicable