General description This Hinge Jig Drill Guide Set is designed for precision drilling of 35mm concealed hinges, making it an essential tool for any DIY enthusiast or professional. It includes a hinge boring jig, a cutting head, and a bit positioner, allowing for easy and accurate installation of hinges in doors, kitchen cupboards, and cabinets. Technical specifications Hinge Boring Jig: 35mm Material: High-quality steel Usage Ideal for drilling holes for concealed hidden hinges. Easy to use for both skilled and unskilled individuals. Suitable for various applications including door locks, mounting plates, and woodworking projects. Other information Instructions: Use the bit positioner to mark the drilling location with a pen before drilling.