Irwin IW3035112 Pilot Countersink Drill Bit Set 3 Piece IRWIW3035112
This IRWIN(r) 3 Piece Pilot Countersink Bit Set contains the following sizes: No 8, 10, 12. IRWIN(r) Countersink Bit for drilling pilot holes and countersinking into wood. For use with drill/drivers.