8-PIECE WOOD COUNTERSINK SET
Tapered drill with widened flutes for -drilling fast, clean pilot holesAdjustable four-cutter counterbore cuts & -clears chips quicker for smooth countersinkingCounterbore attaches to flats on shank with 2 -hex screws for a secure fit & can be adjusted1/4" quick-change shank reduces slipping#4,#6,#8,#10,#12,#14 & 2 small depth stops