Includes Sizes: SA1, SC1, SD1, SE1, SF1, SG1, SL1, SM1De-Bur Ferrous Metals - Steel, Stainless Steel, Titanium, Cast IronTiN (Titanium Nitride) Coated For Superior Surface Finish And Long Tool LifeSharp, Double Cut Flutes Optimize Material RemovalVibration Free PerformanceFor Use In Rotary Die GrinderMade In USA