Wokesi 0.5 0.75 1 1.5mm Radius,Ball Nose End Mill Set,Pack of 4,Std Length,HRC45,2Flutes,TiAlN Coated,Metric,Solid Carbide,CNC Router Bits Profiling Milling Cutting Tools (R0.5+R0.75+R1+R1.5 HRC45) 1.Contains 4pc:1pc0.5mmRadius,1pc0.75mmRadius,1pc1mmRadius and 1pc1.5mmRadius. 2.Material:Tungsten carbide,High quality TiAlN coating,long tool life. 3.Suitable for process Alloy,Iron and Steel under HRC45,Middle-low speed. 4.High micro hardness,high abrasion resistance,good toughness. 5.Package:1 Pack of 4 Pieces Endmill Cutter