Performance Tool W9004 2-PieceTitanium Step Drill Set

The Performance W9004 2-Piece Step Drill Bits range from 3/16 to 1-3/8-Inch, each with a double-flute design for faster and smoother cutting. Features: Titanium-nitride-coated for cooler and longer running. Double-flute design for faster and smoother cutting. 12 Step: 3/16-Inch, 1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, 1/2-Inch, 9/16-Inch, 5/8-Inch, 11/16-Inch, 3/4-Inch, 13/16-Inch and 7/8-Inch. 11 Step: 1/4-Inch, 25/64-Inch, 35/64-Inch, 11/16-Inch, 13/16-Inch, 7/8-Inch, 1-Inch, 1-1/8-Inch, 1-7/32-Inch, 1-1/4-Inch and 1-3/8-Inch. What's included: Performance W9004 2-Piece Step Drill Bits Set.