General description XUNTOP concealed hinge jig is a durable and precise tool designed for the installation of cabinet door hinges. Made from high-quality aluminum alloy, it is wear-resistant, rust-proof, and corrosion-resistant, ensuring long-lasting performance. This jig is an excellent helper for accurately installing various types of cabinet door hinges. Technical specifications Material: Aluminum alloy Hinge cup size: 35mm Board thickness compatibility: 15-20mm Drilling depth: 12-13mm Includes: 35mm hole saw, 2mm drill Installation 1: Fix the drill locator and lock the quick clamp. 2: Adjust the fixed size of the black pressure block of the quick clamp. 3: Set drilling depth to 12-13mm and drill 2mm screw holes on the left and right sides. 4: Install the 35mm hinge and finish. Usage This hinge jig is suitable for most common hinges with a 5mm hole to edge distance. It can be used with various drills, including drill presses, rotary drills, rotary hammer drills, pistol drills,