Installation - 1. Install the 35mm hole saw, adjust the drilling depth to 12-13mm, then lock the limiting ring. 2. Adjust the fixed size of the black clamp of the quick clamp (note: the adjustable fixing plate of the tool is 15-25 mm). 3. Move the punch to the marked and drilled position on the board and lock the quick clamp. 4. Tighten the drill handle, press the hole at a constant speed to a depth of 12-13mm, then drill a 2mm screw hole on the left side, Right. Aluminum alloy material is durable and high precision - The 35mm hinged drill is made of aluminum alloy, precision manufacturing, precise positioning, convenient operation and long service life. Easy to Use Hidden Hinge Bracket - The hinge drill jig is an easy to use woodworking tool and suitable for home DIY, no professional required. The adjustable dial design is limited to 3, 4, 5 and 6 mm and is very precise, making measurements a breeze. Wide range of applications for the guide locator Woodworking dowel fixing drill - 35mm oar mount, door oar Positioning, woodworking hole aid, 35mm hole to edge distance of 5mm, fits most common hinges. 35mm Cabinet Hinge Fixing Drilling Punch Packing List: 1 hinged drill positioner body, 1 35mm hole saw (with snap ring), 2 wrenches, 1 2mm drill bit, 1 Allen key.