1. Install a 35mm hole opener, adjust the drilling depth to 12-13mm, and then lock the limit ring. 2. Adjust the fixed size of the quick-clamp black pressure block (Note: The size of the adjustable fixing plate of the tool is 15-25mm). 3. Move the hole punch to the marked and drilled positions of the board and lock the quick clamps. 4. Tighten the handle of the drill bit, press down the hole at a constant speed to a depth of 12-13mm, and then drill 2mm screw holes on the left and right sides. Durable aluminum alloy material, accurate - 35mm hinged drill is made of aluminum alloy material, precision manufacturing, accurate positioning, convenient operation and long service life. EASY TO USE HIDDEN HINGE INSTALLATION - The hinge drilling jig is a DIY woodworking tool that is easy to use and suitable for doing it yourself at home, no professional required. The adjustable dial design is limited to 3, 4, 5 and 6 mm and is very accurate, making measurements a breeze. Wide range of applications for woodworking dowel jig drill guide locator - 35mm reaming installation, door reaming locating, woodworking hole aid, 5mm distance from 35mm hole to edge, suitable for most common hinges. 35mm Cabinet Hinge Jig Drill Hole Punch Packing List 1 * Hinged drilling locator body, 1 * 35mm hole saw (with limit ring) , 2 * spanners, 1 * 2mm drill bit, 1 * allen key.