3 piece large HSS stepl drill bit set. Titanium nitride coated high speed steel pieces. All of the bits have a quick change 1/4 inch shank. The set comes in a nylon storage bag for safe keeping and transportation.
Included:
- 1 X 15 step bit (4 - 32mm)
- 1 X 9 step bit (4 - 20mm)
- 1 X 13 step bit (4 - 12mm)