- Oxide Treatment - resists corrosion, helps prevent bit from rusting
- 135 degree Split Point Tip - starts on contact, cuts with less force
- Flatted Shanks Above 11/64 inch - eliminates slippage in drill chuck
- Reduced Shank Above 3/8 inch - allows the use of larger drill bits in a 3/8" chuck
- Contains the following drill bit sizes: 1/16" - 1/2"
Irwin 29 Piece Black and Gold Drill Bit Set