5X Life vs. Black Oxide Drill Bits, 1/4-inch Hex Shank. Use in Drills or Impact Drivers, SHOCKWAVE Impact Duty Bits, 135 degree Split Point Tip, Titanium Coated for longer life, Ideal for Wood, Plastics, & Metals, SHOCKWAVE Drill Bits Included: (2) 1/16-inch, (2) 5/64-inch, (1) 3/32-inch, (2) 7/64-inch, (2) 1/8-inch, (2) 9/64-inch, (2) 5/32-inch, (1) 11/64-inch, (2) 3/16-inch, (1) 13/64-inch, (1) 7/32-inch, (1) 15/64-inch, (2) 1/4-inch, (1) 5/16-inch, (1) 3/8-inch