Description: 1. Applicability: 19mm for 15mm-18mm 23mm for 20mm-23mm 25mm for 23mm-25mm 14mm+18mm for 8.5mm-18mm 23mm+25mm for 18mm-25mm 2. ADJUSTABLE WIDTH: This wrench enables you to widen by turning left or narrow them by turning right, providing precise adjustments to suit various door types and hinge setups. 3. 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. 4. 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. 5. EASY OPERATION: The ergonomic design and simple operation make adjusting door hinges straightforward, even in tight spaces or challenging installations. SPEC: Material: Steel Length: 21cm / 8.3in Package includes: 1 * Hinges Adjusting Wrench NOTES Verify compatibility with hinges before use. Exercise caution to prevent injury or damage during hinge adjustments.