... , 4341, 9341, 6542 Finish: Black Finshed, Tin Coated, Bright, etc. twist drill bit setpecification: 1.5, 2, 3, 4, 5, 5 ... .Process: Roll Forged , Edge Ground or Fully GroundPacking: Plastic Box, PVC Bag H101-1 black oxideH101-2 edge groundH101-3 edge ...