- 1 1/4 in./15 in.
- Nailbiter premium long ship auger
- Dual-Helix construction with twin cutting edges for faster and smoother drilling action, even through nail-embedded timbers
- Full body, dual induction heat treatment ensures durability, minimizes warping and delivers long lasting performance
- Heavy-duty lead screw designed for quick gripping power, superior penetration and extra-long life
- Re-sharpenable for extended tool life