1. UPGRADED The 35mm concealed door hinge jig features an upgraded rubber pressure plate and quick clamp for precise positioning and fast drilling. No more manual measuring or marking hinge positions. 2. Durable Material This metal cabinet hinge tool has builtin double bearings and a quality aluminum alloy body, ensuring wear resistance and longevity. The included 35mm carbide drill bit is solid and sharp for smoother hinge installation. 3. TRIPLE ADJUSTABILITY The concealed hinge clamp accommodates plate thicknesses from 12 to 25mm and opening depths from 10 to 15mm. Adjust the plate with a wrench to the desired thickness. The distance from the 35mm holes to the edge can be set to 3/4/5/6mm. 4. Easy to Use The 35mm hinge hole drill clamp works with most common hinges and includes a 35mm hole saw and a 2mm drill bit, compatible with any electric drill. Ideal for woodworking projects like kitchen cabinets, wardrobes, and cabinet doors. 5. Instructions for Use: Adjust the button position to match the plate thickness. Quickly clamp the locking plate using the drill markings. Set the drilling depth with the boundary ring (typically 1213mm). Drill the 35mm hole and left/right 2mm screw holes. Install the hinge.