Lenox LEN-LXAH9912PBM 1/2in Snap-Back Steel Hole Saw Arbor – Quick Change

No allen key required to change Lenox pilot bit (only applies to Lenox pilot drills). \r\nReinforced collar drives hole Saw without jamming or disengaging. \r\nAccepts all threaded hole saws, no adapters required (for the range of diameters listed on packaging). \r\nCollar snaps back and stays in position while changing bits.\r\nFeatures\r\n\r\nSingle-handed operation – collar snaps back and stays in position while changing bits\r\nTool-free bit change – no allen key required to change Lenox pilot bit (only applies to Lenox pilot drills)\r\nAnti-jam collar – reinforced collar drives hole saw without jamming or disengaging\r\nUniversal hole saw compatibility – accepts all threaded hole saws, no adapters required – for the range of diameters listed on packaging\r\nSnap-back 2-step release – step 1) unlock hole saw, step 2) unlock pilot bit