... drill bit hss straight shank twist drill bit hss polished white drilldrill bithss straight shank twist drill bitHSS straight shank twist ... M42,M35,6542(M2),9341,4341,42412.Finish:Tin coated,coffee,bright,rainbow colour,Black oxide,Black flute & bright shank3.manufactory ... ,just feel free to contact with me.thanks. hss polished white drill