Irwin 8-Piece Wood Countersink Bit Set Specialty Bits sculpting and removing material in

sculpting and removing material in hard-to-reach areas

and plastic

Headband swivels on hinges for improved comfort and fit

4-1/2" with 5/8-11 arbor za36

and 1-1/2'

Irwin 8-Piece Wood Countersink Bit Set Specialty Bits sculpting and removing material inReplacement tapered drill bits with widened flutes for drilling fast, clean pilot holes. Adjustable 4 cutter counterbore cuts and clears chips quicker for fast, smooth countersink or counterbore drilling. Attaches and adjusts with 2 hex screws. Counterbore attaches to flat on shank for a more secure fit. Adjustable stop collar attaches to counterbore for controlling countersink depth. 1 4' hex quick change shank reduces slipping in standard chucks and