Starrett A6 Series Steel Hole Saw, 14-152mm Diameter

The Starrett A6-4 Kwik-Change Arbor Kit with High Speed Steel Drill. The Starrett Kwik-Change Arbor System offers fast, tool-free changes between different sizes and types of hole saws, plus provides a simple method for core ejection and hole enlargement.

Fast core ejection
For use with hole saws up to 152 mm diameter