Big Horn 18938 #10 5 Piece Taper Drill Set W. L. Fuller 10393010C

Features: For wood screw sizes #5, #6, #7, #8, and #9, Countersinks combine pre-drilling for screw threads and clearance drilling for screw shank, Countersinks combine counterboring for wood plugs (if needed) and countersinking for the screw head, Plug cutters produce wood plugs to match their counterbores, High Quality, Manufactured by W. L. Fuller, Inc. | Made in USA.