[IDEAL FOR SPECIFIC HINGES] Designed specifically for use with fire doors, cleanroom doors and security doors equipped with flag hinges. Ensures proper alignment and functionality of these types of specialized doors. [STRONG] Made with high quality steel, the wrench is built to last. Its construction can withstand regular use without bending or breaking, ensuring long-term reliability. [EASY OPERATION] Ergonomic design and simplicity make the adjustment of the door hinges even in tight spaces or challenging installations. [ Adjustable Gap ] This key allows you to expand spaces by turning them to the left or reduce them by turning them to the right, providing precise adjustments to fit various door types and hinge configurations. [Easy Solution] Solve door problems such as sagged, stuck or misaligned doors by re-bending the tight hinges so doors can work smoothly again., Weight: 1.10892517786 Pounds, Manufacturer: Rtxbvg