49-56-9100 Milwaukee Hole Saw Arbor,7/16" shank,For hole saws from 1-1/4" &,Lr,Thread/5/8" -18

Tool-free operation, 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.