The Starrett A6-3 Kwik-Change Arbor for 32 to 100mm Hole Saws. 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. Kwik-Change is an invaluable addition for any regular hole saw user.
Fast core ejection For use with hole saws up to 100 mm diameter