No tools are required to change pilot bit or cup. Fits all major brands of hole saw cups for greater versatility. Robust professional design for longer life. Use of high-quality materials also adds to longer life. Arbor fits all 1/4 In. quick change accessories.

Benefits:
Toolless quick change, for hole saw and pilot bit
Universal fit
Robust design for longer life
High-speed steel 1/4 In. hex shank pilot bit

Specification:
Flute Length: 2.5
Length: 5.0"
Shank Diameter: 0.375