Irwin 4-Piece Wood Countersink Bit Set Brand_LickiMat 2 settings: inflate or deflate

2 settings: inflate or deflate

heat-treated for maximum strength

Save time and effort

fast filling

gaskets and screws included

Irwin 4-Piece Wood Countersink Bit Set Brand_LickiMat 2 settings: inflate or deflateReplacement 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' quick change shank reduces slipping in standard chucks and is