Finishing Brush: the power brushing cup is used for deburring, weld edge cleaning, and removing rust, scales, spatter, and corrosion from steel surfaces. The surface finishing cup is designed for a fast brushing action Tough Construction: the knot-twisted wires are oil hardened and tempered to ensure a high-quality finish. The power brush is ideally designed for use with angle grinders and works suitably well on steel surfaces Industrial Brush: the twisted-wire brush controls flaring to ensure perfect balance and efficiency. The deburring wire brush features a threaded arbor hole that allows quick and easy mounting