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 35mm boring diameter. The removable depth stop design allows for easier drilling control. Concealed Hinge Boring Jig: Equipped with a V-locator that aligns with a center reference line to quickly locate drilling points for various hinge brands and mounting plates. Easy to Use: Enables precise cup hole drilling on cabinet doors or desks using the hinge drilling jig. Ideal for home use and suitable for users of all skill levels. Quickly locate center drilling points for hinges and mounting plates without professional experience. Multiple Use: Compatible with drill press, pistol drill, bench drill, vertical drill, hand electric drill, stand motor drill, and magnetic drill. This drill guide is widely used in woodworking applications, suitable for both DIY enthusiasts and professionals. Product Features: 1. Quick Hinge Installation Jig: The drilling guide helps create accurate concealed hinge holes. Ideal for positioning and installing hinges on furniture doors and cabinets. 2. 35mm Hinge Hole Saw Jig: Made of ABS plastic, lightweight, portable, and easy to operate. How to Use: 1. Position the hinge cup by rotating the short board upward, secure with a screw at the board edge, then drill the hinge cup hole. 2. Mark a center line on the adjacent board, position the short board downward, align the center line with the inverted triangle marker, then drill the hinge base positioning hole. 3. Install the hinges. Specifications: Material: ABS Hole Diameter: 35mm Size: 77 x 66mm Package Included: 1 x 35mm Hinge Drilling Jig + Forstner Bit Set