17Pcs Door Window Hinge Hole Opener Twist Drill Carpenter Punch Hexagonal Handle Drill Wood Drilling Positioning Hole Set with KeyDescription:Without displacement, sawdust will be automatically discharged from the holes on both sides of the drill bit, and the bit will not get stuck. Specification:Material:MetalPackage Size: 150*100*50mm/5.9*3.93*1.96'' Size: 5/64'',7/64'',9/64'',9/64'',11/64'',5'',13/64'',1/4'', one twist drill bit for each drill bit Hole size:5/64'': the hole diameter is about 2mm, and 2.2-2.8mm7/64'' self-tapping screws: the hole diameter is about 2.8mm, and 3-3.5mm9/64'' self-tapping screws: the hole diameter is about 3.5mm, and the 4-4.5mm11/64'' self-tapping screws: hole diameter is about 4.5mm, and 5-5.5mm5" self-tapping screws: the hole diameter is about 5mm, and self-tapping screws are about 5.5-6mm13/64'': the hole diameter is about 5.1mm, and 5.6-6.1mm1/4'' self-tapping screws: the hole diameter is about 6.3mm, and the self-tapping screws are about 6.8-7.3mmNote: the drill bit is not included. Adjust the opening according to the hardness of the wood. If the wood is soft, you can choose a smaller one. If the wood is hard, you can choose a suitable one or a larger one. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.8 X Drill Hinge8 X Twist Drill Bits1 X Hex Wrench