29 Pc. HSS Import Black Oxide Jobbers Drill Set, Star Tool Supply, Mfr#: 1450432

HIGH SPEED STEEL BLACK OXIDE GENERAL PURPOSE 118° POINT JOBBER DRILL. 29 PIECE SET, 1/16-1/2 BY 64THS WITH INDEX BOX. BLACK OXIDE INCREASES THE DRILLS ABILITY TO RETAIN COOLANT THUS REDUCING CHIP WELDING.