Multi Function: The 8inch Bench Wire Wheel ideal to remove rust, burs, paint and corrosion of tube, plate, and many other metal objects. High Compatibility: Our 8in wire brush wheel come with 5set different size arbor bushing(1/2" 5/8" 3/4" 7/8" 1"), wire wheel arbor is 1-1/4in, so it is compatible for most bench grinder and other suitable size tools Balanced : This wire wheel brush is precision balanced to eliminate vibration. 4500 max RPM.