... : 40Cr steel2.Surface Finish: Sandblast3.Tip type: pointed chisel , flat chisel ,spade chisel, gouging chisel pointed chisel starts holes in concrete slabs, general chipping & breaking ... as Bosch, Hitachi,Market,Metabo,Hilti etc.5.Suitable for use with electric hammer in chiseling hole, cutting, chiseling groove for ...