Feature●For Use with Hole Saws 1-1/4-Inch to 6-Inch Hole Saws●3/8-Inch Hex Shank●Drive Pins for easier removal of hole saw●Hardened Carbon Steel for Strength●Split Point Pilot Bit for Quick StartsDescription
From the Manufacturer
The Lenox Tools 300066L -6L Arbor is designed for use with Hole Saws 1-1/4-Inch to 6-Inch in Diameter.