IRWIN Tools 314015 Black Oxide Metal Index Drill Bit Set, 15pc
Black oxide coating for corrosion resistance and 135 degree split point which minimizes bit walk. Includes one (1) each: 5/64", 7/64", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", and 3/8", (2) two each: 1/16", 3/32", 1/8" and rubber-sided case with sliding latch for added security.