Precise positioning: The precise positioning of the hinge drill bit set can effectively ensure the accuracy of punching. It can effectively improve the efficiency of hinge punching. Time-saving and efficient: The hinge drill bit set has unique chip removal holes on both sides of the drill tip, which can discharge the sawdust smoothly without clogging the drill bit. This design is very time-saving and efficient. Easy to use: The hinge drill bit set is simple to operate and easy to use. For different woods, you only need to remove the screws and replace the drill bit with a new one. Wide application: The hinge drill bit set is very suitable for hinge installation of doors, window, cabinets, etc. It can bring great convenience to your life. Complete accessories: The hinge drill bit set contains 7 hinge hole drills and 1 L-shaped wrench. It can meet most of your work needs., Weight: 0.5952481074 pounds, Manufacturer: Tissting