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 3/4 in, Grit Not Applicable, Overall Length Not Applicable, Compatible Tool Type Right-Angle Grinder, Color Not Applicable, Connector Type Threaded Hole, Connector Size M10 x 1.25 mm, Operating Speed - Maximum 13,500 RPM, Shank Length Not Applicable