9 Piece Variable Multi Step Down Drill Bit Unibit Tool Uni Stepped Size Metal Bit
Features:
- High quality HSS material construction
- Black and cobalt surface treatment
- Holds lubricant for smoother drilling
- Comes with aluminum carry case
1/4″ Quick change shank:
- In 1/32″ Increments:
- 13 Steps – 1/8″ to 1/2″
- In 1/16″ Increments:
- 6 Steps – 3/16″ to 1/2″.
- 9 Steps – 1/4″ to 3/4″.
- 12 Steps – 3/16″ to 3/4″.
- 8 Steps – 9/16″ to 1″.
- 10 Steps – 13/16″ to 1-3/8″.
- 12 Steps – 7/16″ to 1-1/8″.
- 10 Steps -1/4″ to 1-3/8″.
- 13 Steps – 1/8″ to 7/8″.