7-piece wood countersunk bit-made of high carbon steel, with high hardness and wear resistance, chip groove and five edge chamfers, which can remove sawdust more quickly and easily. With a hexagonal L-shaped wrench, you can easily remove and adjust the counter sleeve depth and drilling depth. 8-piece cork cutter bit set-made of durable carbon steel to cover sunken screw holes or hide defects. Six-piece hexagonal , 5-slot countersunk bit-made of high-speed steel, they are 90 holes for countersunk screws in wood and PVC plates. 1pc center punch made of high quality material, which is durable. Name: Center punching set Quantity: 23pcs/set Colour:silver+black+gold Material:Metal Package Contents: 1 x Center punching set 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.