[Metal Material]:35mm concealed hinge jig is made of high-quality Metal material, with precision manufacturing, accurate positioning, sharp drill bit, wear-resistant and durable, anti-corrosion and rust-proof, a hinge jig can be used for years. [Easy Operation]The Hinge Drilling Jig is a DIY woodworking tool, easy to use, suitable for your own home operation, does not need . The adjustable dial can adjust the distancean with 3mm, 4mm, 5mm and 6mm hinge offsets, which is accurate and makes the measurement a breeze. [Wide Applcation]: This drill guide is suitable for 35mm hinge opening installation, the distance from the 35mm hole to the edge is 5mm, suitable for most common hinges, door hinge punching positioning, woodworking hole opening auxiliary tool. [How to use] 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 black pressing block of the quick clamp. 3. Move the hole punch to the marked and drilled positions on the board and lock the quick . 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. Colour:Photo Color Material:Metal Package Contents: 1X Cabinet Hinge Jig Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.