Professional wire brushes for commercial or occasional use Wire cup brush This a lot more professional cup brush than the cheaper items (which also can be found in our own shop) Steel wire bristles Suitable for cleaning prior to welding, removing paint or rust and general metal preparation prior to painting Will rapidly clean and wipe out rust to leave a purer metal finish on most surfaces for a natural look or for use before painting Twist knotted brushes will remove paint and heavily corroded surfaces Twisted bristles make the brushes strong and tough Perfect for removing paint, deburring and edge blending Fits any angle grinder with a M14 thread (standard found on 4-1/2" / 115mm or 9" grinders) Maximum speed - 12,500 RPM Total diameter of the cup brush - 80mm This listing is for 2 cup brushes