The LENOX SNAP-BACK Quick Change Hole Saw Arbors feature a tool-free bit change (applies to Lenox pilot drill bits only, sold separately) for ease of use and productivity. The 2-Step design releases the saw and pilot drill bit without requiring additional tools. The collar snaps into each position to allow for single-handed operation and is reinforced to stay engaged while drilling. Select LENOX SNAP-BACK Quick Change Hole Saw Arbors feature a universal compatible design for use with threaded hole saws and do not require an adaptor.