Professional tool for commercial or occasional use 4pc wire cup and bevel brush set 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 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 etc... Fits any grinder with a M14 thread (standardly found on 4-1/2" / 115mm or 9" grinders) SET INCLUDES THE FOLLOWING - 2 x 75mm (3") twist knot wire cup brush - 2 x 100mm (4") semi flat / bevel brush SPECIFICATIONS - MOUNTING TYPE - M14 x 2 internal thread - MAX SPEED - 12,500 RPM - for both the cup and the bevel brush - Steel wire brushes