Lenox LXAH9938PBM SNAP-BACK 3/8 in. Shank Quick Change Arbor for 9/16" - 1-3/16" Hole Saws

Features No allen key required to change bits Reinforced collar drives hole saw without jamming or disengaging Accepts all threaded hole saws (no adapters required) Collar snaps back and stays in position while changing bits