Weiler Wire Cup Brush, Threaded Hole, Steel, Partial Twist Knotted, Single Row, 5" Diameter, 0.023" Wire Diameter, 5/8"-11 Arbor, 1-3/8" Bristle Length, 7000 rpm (Pack of 1) For fast, efficient cleaning of large surfaces With internal nut Applicable for cleaning prior to welding, weld scale and corrosion removal, rust and paint removal, roughening, deburring Used with right-angled grinders