- 20-inch shelf pin drilling jig for use with any length shelf
- Drill perfectly aligned holes every time
- Precisely spaces shelf pin holes 1-1/4-inch apart at either 1-1/2-inch or 2-1/2-inch from the edge of your work
- Includes 1/4-inch self centering bit
- 5-millimeter self centering bit is not included but can be used