Features:
- For 1" conduit and tubing (requires 3/4" pilot hole)
- Diameter - 13/16" to 1-3/8"
- 1/16" increments
- 1/8" Step Depth
- Number of Hole Sizes - 10
- 1/2" Shank Diameter
- Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM
- Requires 3/4" or larger pilot hole