7Pcs Wood 5 Flute HSS Countersink Drill Bit Set 3 4 5 6 7 8 10mm Carpentry Tool     Main Features‎:‎ ‎- Seven piece set includes bits for drilling pilot holes for screw sizes 3mm‎,‎ 4mm‎,‎ 5mm‎,‎ 6mm‎,‎ 7mm‎,‎ 8mm‎,‎ 10mm‎.‎ ‎- Adjustable counter sleeve depth with the wrench‎.‎ ‎- Drill and countersink for wood screws without changing bits‎.‎ ‎- Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew‎.‎ Specifications‎:‎ Material‎:‎ HSS Dia‎.‎ of Chamfer‎:‎ 15.8mm Hex Wrench Size‎:‎ 6.35mm   Application‎:‎ Wood Working Tool DIY Supplies‎:‎ Woodworking   Package weight‎:‎ 0.303 kg Package Size‎(‎L x W x H‎)‎‎:‎ 13.00 x 11.00 x 2.00 cm / 5.12 x 4.33 x 0.79 inches Package Contents‎:‎ 7 x Woodworking Chamfer‎,‎ 1 x Hex Wrench