Professional wire brushes for commercial or occasional use 40pc wire cup and wheel brush set Twist knot bevel wire brush set 40 pack of wire twist knot wheels A mixture of 20 x cup brushes and 20 x bevel brushes Cup brushes are perfect on smaller areas where as the bevel brush is perfect for larger surface areas Suitable for removing dirt, paint or rust and general preparation prior to painting Will rapidly clean and wipe out rut 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. Steel wire bristles Fits any grinder with a M14 thread (standard found on 4-1/2” / 115mm or 9” grinders) SPECIFICATIONS • 20 x 75mm (3”) diameter wire cup brush • 20 x 100mm (4”) diameter wire semi flat wheel brush • Maximum speed 12,500 RPM • M14 Arbor size • Total pack size – 40pc