... set Material: HSS 4241, 4341, 9341, 6542 Finish: Black Finshed, Tin Coated, Bright, etc. twist drill bit setpecification: 1.5, 2, 3 ... Box, PVC Bag H101-1 black oxideH101-2 edge groundH101-3 edge ground,tin coatedH101-4 fully ground,brightH101-5 fully ...