4-Inch Twist Knot Steel Wire Wheel Cup Brush for Heavy Duty Rust Removal - Ideal for Grinders M14IDEAL FOR heavy duty cleaning of large metal surfaces and edge blending EASY AND SMOOTH removal of burrs, spatter, weld scale and rust WORKS BEST WITH a right angle grinder and . 020 wire QUICK REVOLUTION SPEED at 8500 revolutions per minute (RPM) Ideal for fast, heavy duty cleaning of large surfaces Also for removing weld scale, rust burrs and spatter Package Include: 1x Wire Cup Brush