【High Precision】All metal cabinet hinge jig made of high quality aluminum alloy, the bottom surface is very flat, is more durable and more precise than plastic jigs. The concealed hinge jig All-metal double bearing, side shaking is reduced, and drilling is more stable and accurate. 【Easy and Fast】The cabinet hardware jig allows quick adjustment of the cabinet hinge hole depth, move the puncher to the board mark and drill position, lock the quick clip, it is easy to use and greatly improves the efficiency and accuracy of cabinet hinge installation. You can easily clamp and fix the concealed hinge jig, quickly drill holes and install hidden cabinet door hinges. 【Wide Application】The 35mm hinge opener is suitable for 12-25mm wood, 35mm hole to 5mm edge distance, comes with a 35mm hole saw and a 2mm drill bit, can be used with any electric drill, the 35mm hinge opener is suitable for punching and positioning cabinet/kitchen/cupboard/wardrobe door hinges, which is suitable for most common