IRWIN Tools 1882428 Impact Performance Series Double-Ended Screwdriver Number-1 Square Power Bit with 4-Inch Length
- Built for maximum durability and long life with impact drivers..
- DoubleLokTechnology ensures both ends of bit lock securely.
- Precision tip geometry delivers superior fitment, reducing stripping and cam-out.
- Power Groove designed for compatibility with IRWIN Impact Performance Series Magnetic Screw-Hold Attachment.
- 1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks.