HIGH QUALITY: Drill countersunk wood set made of carbon steel material for drilling 8mm wood dowels, the wood drill bit has a good lifespan even after many drilling operations. DESIGN: 14pcs set contains 8pcs cork drills + 5pcs countersunk drills + 1pcs Inner hexagon wrench, uniquely designed steel countersinks and countersinks for fitting proper plugs on screw heads. Versatile use: The countersink drill kit is designed for quick and adjustable countersinking, easily changing the countersink section in and out of the kit. perfect for DIY, home and small woodworking projects. Quick Change: Adjustable countersunk depth for drilling and lowering wood screws. The drill length can be easily adjusted by loosening and placing set screws to adjust different screws. WIDE APPLICATIONS: Wood drill bit set for wood, fiberboard, plastic, PVC, rubber, etc. Secured with a hex wrench for easy replacement and adjustment. Colour:As Shown Material:carbon steel Size:7x2.2x2cm Package Contents: 8 * cork drill 5 * titanium plated countersunk drill 1 * Inner hexagon wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.