Adjustable gap width Easily alter the door gap by turning the tool left or right for a precise fit across different door types and hinge configurations. The adjustable gap width helps you achieve accurate alignment without trial and error, improving latch performance and door operation. Stable construction Built from robust steel for durability and longevity. The tool is designed to withstand regular use without bending or breaking, delivering dependable performance over time. Designed for flag hinges Specifically engineered for cleanroom doors and security doors with flag hinges. It ensures correct alignment and reliable function across a range of door types and hinge setups. Easy to use Ergonomic design facilitates hinge adjustments even in tight spaces or complex installations. The tool is easy to handle for a wide range of users, promoting quick, precise results. Typical use scenarios - Installing or adjusting cleanroom doors that use flag hinges to ensure precise alignment and smooth operation. - Retrofitting or maintaining security doors where hinge alignment directly impacts door performance and reliability. - Working in confined spaces or on complex hinge configurations during new installations or renovations.