USA 
29pc Thunderbolt Black Oxide Drill Bit Set
Product Description
- Designed for extreme durability and long life
- Thicker core than standard drill bits and protects against side-load breakage
- Parabolic flute form clears chips and debris fast
- 135-Degree Split Point tip starts on contact for fast and accurate holes
- 3-Flat secure grip shank helps reduce bit slippage in chuck
- Black oxide coating
- Comes with 1/16 through 1/2 by 64ths
- Includes storage box