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. 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. 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: Ounfhtrttk