IRWIN Tools Speedbor Blue-Groove Pro Spade Bit Set with Storage Case, 17-Piece (1792761)
- Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits
- Grooved hex-shank prevents slipping in drill chuck or bit extension
- 10% larger shank for added durability
- Double-cutting spurs scribe the outside of the hole, reducing breakout
- Fits all standard quick change chucks