Irwin Vise Grip 10225 4 Piece Unibit Step Drill Bit Set
- 4 piece Unibit Step Drill Sets wih HSS #1, 2, 4, and 21 sizes
- Drills up to 1-3/8"
- Non-skid self-starting tip eliminates skidding and the need for center punching
- Single-flute cutting edge for greater control through steps
- 3 flatted shank prevents slipping in drill chuck
- Available in fractional and metric sizes
- Also available with titanium nitride coating for longer life