【Precise and Durable】Made of aluminum alloy, our 35mm hinged hole punch has long service life with precision manufacturing, precise locking and convenient operation. 【Installation】1. Install a 35mm hole opener; 2. Adjust the drilling depth to 12~13mm, then lock the limit ring; 3. Adjust the fixed size of the black pressure block of the quick clamp; 4. Move the puncher to the board marking and drilling position and lock the quick clamp; 5. Tighten the drill handle, press the hole to a depth of 12-13mm; 6. Drill a 2mm screw hole on the left and right sides. 【Widely used for most common hinges】The distance between the 35mm hole and the edge is 5mm, which suitable for most common hinges. As a DIY woodworking tool, it is very convenient for you to mount the concealed hinges on your doors or cabinets. No professional is required. 【Package Contents】Package includes: Hinge hole locator bodyx1, 35mm hole opener (with limiting ring and fixed screw )x1, 2mm drill bitx1, wrenchx2, hex bar