Irwin 3018004 29-Piece Black Oxide Metal Index Drill Bit Set

29-Piece Black Oxide Drill Bit Set 3018004 Features:
•  Oxide treatment resists corrosion, helps prevent bit from rusting
•  135° split point tip starts on contact, cuts with less force
•  Reduced shank above 3/8" allows the use of larger drill bits in a 3/8" chuck
•  Rubber overmolded case protects kit if dropped
•  Tap & Drill selection chart for convenient reference.
•  Automatic indexing for easy bit access and identification
•  Removable cartridges: easy to carry bits from case to worksite
•  Sizes include 1/16" to 1/2" in 1/64" increments