Weiler Vortex Pro Wire Cup Brush, Threaded Hole, Carbon Steel, Crimped Wire, 6" Diameter, 0.02" Wire Diameter, 5/8"-11 Arbor, 6600 rpm (Pack of 1) Flexible brushing action and general purpose use Applicable for roughening, removing rust, paint from large surfaces and weld scale and corrosion; concrete form cleaning; weld scale and corrosion removal