ADJUSTABLE WIDTH: This wrench enables you to widen gaps by turning left or narrow them by turning right, providing precise adjustments to suit various door types and hinge setups. CONSTRUCTION: Made from high-quality steel, the Wrench is built to last. Its construction can withstand regular use without bending or breaking, ensuring long-term reliability. IDEAL FOR SPECIFIC HINGES: Specifically designed for use with fire doors, cleanroom doors, and security doors equipped with flag hinges. It ensures proper alignment and functionality of these door types. EASY OPERATION: The ergonomic design and simple operation make adjusting door hinges straightforward, even in tight spaces or challenging installations., Manufacturer: Akfldms