Precision Punching: The hinge positioning holes allow for quick screw hole alignment, and the jig comes with a limiter for precisely positioning the hole's center at an accurate distance from the edge of the wood. High Quality: The concealed hinge jig is crafted from premium aluminum alloy, ensuring exceptional enduring and resistance to rust, making it for woodworking projects. Easy Installation: Our cabinet hinge jig makes it easy to install doors for kitchens, wardrobes, and storage cabinets effortlessly. Wide Application: Suitable for various types of wood, plywood, and veneer processing, the drill bit can be used with drill presses, hand drills, bench drills, and vertical drilling machines.