Klein A-53731 Adjustable Hole Saw, Blades Adjust to Cut Holes From 2" to 7'' in Diameter, Fits Most 3/8'' and 1/2'' Drill Chucks, Hole Saw Quickly and Smoothly Cuts Cleaner Holes in Drywall and Ceiling Tiles, Hex Key Included

Cuts cleaner holes quickly and smoothly in plasterboard and ceiling tiles Blades adjust to cut holes from 2 to 7'' in diameter Fits most 3/8 and 1/2 drill chucks No binding while cutting No additional tools needed to adjust the hole saw Newly redesigned dust shield (two included) for longer life Hex key included