Professional wire brush for commercial or occasional use Wire twist knot bevel brush M14 x 2 internal thread 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 bevel brushes will remove paint and heavily corroded surfaces Twisted brushes make the brushes stronger and tougher Perfect for removing paint, deburring and edge blending etc... Fits any grinder with a M14 thread (standard found on 4-1/2” / 115mm or 9” Grinders) They are 100mm in diameter to cover a larger area This listing is for a pack of 12 Bevel brushes SPECIFICATIONS • Mounting Type – M14 x 2 (internal) • Max speed – 12,500 RPM • Diameter – 100mm (4”) • Pack size – 12 pack