Vermont American 16791 3-Inch Course Brass Wire Wheel Brush with 1/4-Inch Hex Shank for Drill For removing rust, scale or paint Brass-coated hardened steel wire reduces wire breakage Precision balanced to eliminate vibration Has up to 6000 RPM Part of Bosch's extensive collection of accessories For removing rust, scale or paint Brass-coated hardened steel wire reduces wire breakage Precision balanced to eliminate vibration 6000 RPM