Practical Drilling Tool: 35mm drilling jig set for concealed hinge DIY tool. This tool makes the door easy to install, easy to use with any drill bit, no special tools required, the adjustable cam ensures correct hinge offset. HIGH-QUALITY MATERIALS: This hinge hole prevention guide is made of high-quality environmentally friendly metal and engineering plastic for durability. It can be used for a long time and is very skillful. High Precision: Suitable for 35mm hinges. Reliable drilling with drill guides and circlips. Cabinet door installation is easy! With this jig, you can drill hinge holes quickly and easily Wide range of applications: Simple operation, suitable for home use, no skilled workers are required, it is your ideal DIY woodworking tool, suitable for a variety of materials, wood, doors and windows, complete accessories.