General Description 35 mm hinge jig, ideal for mounting concealed hinges on doors and cabinets. Made of aluminum alloy, this tool is designed for maximum durability and precision, making woodworking easier for DIY enthusiasts. Technical Specifications Material: Aluminum alloy Hole diameter: 35 mm Drilling depth: 12-13 mm Adjustable fixed card size: 15-25 mm Included: 2 mm drill bit Compatibility and Accessories Compatible with the most common hinges Included accessories: 35 mm hole opener, limit ring, fixed screw, wrenches and hex key Installation Install a 35 mm hole opener Adjust the drilling depth to 12~13 mm and lock the limit ring Adjust the fixed size of the pressure block on the quick clamp Move the punch to the marking position and lock the quick clamp Tighten the drill handle and drill up to 12-13 mm Drill a 2 mm screw hole on the left and right side Use Use this tool to drill precise holes for installing hinges in various woodworking projects. Suitable for both beginners and experienced users.