Wire Wheel Brush, Product Type Cup Brush, Quick Change System Not Applicable, Bristle Type Crimped Wire, Bristle Material Bronze, Brush Dia. 6 in, Wire Dia. 0.02 in, Bristle Length 1 7/8 in, Grit Not Applicable, Overall Length Not Applicable, Compatible Tool Type Right-Angle Grinder, Color Not Applicable, Connector Type Unthreaded Hole, Connector Size 5/8 in, Operating Speed - Maximum 6,000 RPM, Shank Length Not Applicable