High Quality: The drill bit is made from ultra-hard alloy for sharper cutting, smooth chip removal, and excellent boring performance. Hinge Hole Cutter: Features a 35 mm bore diameter. Includes a removable depth stop for easier drilling. Concealed Hinge Bore Jig: Equipped with a center locator that aligns with a reference line to quickly determine drill center points for various hinge brands and mounting plates. Easy to Use: Allows convenient and precise drilling of hinge cup holes in cabinet doors or desktops. Ideal for home use, even for non-professionals. Quickly locate center points for hinges and mounting plates. Multiple Uses: Compatible with drill presses, hand drills, bench drills, vertical drills, electric drills, stand-mounted motor drills, and magnetic drills. Suitable for woodworking DIY projects or professional applications. Features: 1. Quick Hinge Installation Jig – Helps drill accurate concealed hinge holes. Ideal for installing cabinet and furniture door hinges. 2. 35 mm Hinge Hole Saw Jig – Made of ABS plastic, lightweight, portable, and easy to use. How to Use: 1. Position the hinge cup with the short board facing up. Secure with screws and drill the hinge cup hole. 2. Mark a center line on the adjacent board. Place the short board facing down, align the center line with the guide's triangle, and drill the hinge base positioning hole. 3. Install the hinges. Specifications: Material: ABS Hole Diameter: 35 mm Size: 77 x 66 mm Package Included: 1 x 35 mm Hinge Drilling Jig 1 x Forstner Drill Bit Set