Universal, quick change with all brands of hole saws
No adapters required
Durable hardened steel construction
Fits all hole saws 1-1/4 in. and larger
Fits all drill chucks 1/2 in. and larger
Add the Milwaukee 7/16 in. Quick Change Arbor to your tool box. The arbor fits hole saws with a minimum 1-1/4 in. size and drill chucks with a minimum 1/2 in. size. The 49-56-7240 allows for a tool-free operation.