General description The Metal Concealed Hinge Jig is a high-precision woodworking tool designed for drilling 35mm cabinet hinge holes. Made from durable aluminum alloy, this jig ensures stability and accuracy during use, making it an essential tool for cabinet, kitchen, cupboard, and wardrobe hinge installations. Technical specifications Material: Aluminum alloy Drilling depth: 12-13mm Clip-on board thickness: 15-25mm 35mm hole edge distance: 5mm Installation Adjust the drilling depth of the limit ring to 12-13mm. Set the size to fit the thickness of the clamped board. Tighten the locking plate according to the drilling mark. Drill 35mm and 2mm screw holes on both sides. Install the hinge. Usage The concealed hinge jig allows for quick adjustments and easy clamping, enabling users to drill holes and install hidden cabinet door hinges efficiently. It is compatible with any electric drill and significantly improves the accuracy of hinge installations. Other information Package contents: