Suitable for use with door, cleanroom door, and security door equipped with flag hinge It ensures proper alignment and functionality of these door types This wrench enables you to gaps by turn left or narrow by turn right, providing precise adjustments to suit various door types and hinge setups Our Hinge Tool effectively treats common door such as sagging, sticking, or misalignment By using this tool, you can smooth and consistent to your door, ensuring they function properly once again Our door hinge is steel, ensuring enhances strength and long durability The ergonomic design and simple make adjusting door hinge straightforward, even in tight space or challenging installations, Manufacturer: JUYAXIN