【Precise Positioning】This door hinge template jig has precise scale, easy to adjust and improve work efficiency. It has a length and width positioning adjustment design, flexible to adjust. 【Sturdy Material】Adopting aluminum alloy material, this tool is very sturdy and rust-proof. It is lightweight and suitable for slotting the opening and closing fan blades, as well as slotting the guide plate of the lock body. 【Protect Door】Using rubber non-slip design, it will damage the door surface. The thread sleeve effectively protects the internal thread of the fixture. 【Safe Clamping】You can use the attached mini adjustment wrench for fast and safe clamping. It is a good helper for any professional woodworkers. 【After-sales】If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service.