Step drill set featuring a double flute design for faster cutting. Titanium nitride-coated for durability.

• Titanium nitride coated for cooler and longer running.
• Double flute design gives you faster, smoother cutting.
• 12 step sizes: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16". 5/8", 11/16", 3/4", 13/16" and 7/8".
• 11 step sizes: 1/4", 25/64", 35/64", 11/16", 13/16", 7/8", 1", 1 1/8", 1 7/32", 1 1/4", and 1 3/8".