Hole Saw Arbors: Type - Hole Cutter Arbor; Chuck Size - 3/8; Shank Type - Round w/3-Flats; Pilot Drill - High Speed Steel, 1/4 in. dia. x 2-3/4 in. L; Additional Information - Includes: Replaceable Pilot Bit and Ejector Spring
Additional Info: Includes: Replaceable Pilot Bit and Ejector Spring