Notice: The hinge adjustment tool is designed specifically for fire doors, clean room doors, and doors equipped with flag hinges. Please read the instructions carefully. Professional hinge adjustment tool: Provides a quick and simple solution for common problems such as door sagging, jamming, or misalignment. The hinge clearance adjustment wrench ensures smooth operation by precisely adjusting hinge clearance, making it an ideal choice for fire doors and clean room doors. Precise gap adjustment: Widen the gap by turning left or narrow it by turning right to achieve perfect alignment for different doors and hinges. Provides precise adjustments to ensure smooth opening and closing. Compact and portable: Its compact size makes it easy to store in a toolbox or carry to different work sites. Even in narrow spaces or tricky installations, it can be easily operated. Sturdy: The hinge gap adjustment wrench adopts a welded steel double-headed design, which resists bending or breaking. This door hinge repair wrench ensures long-lasting strength and durability for reliable hinge repair. Use scenarios: - Installing or adjusting fire doors in commercial buildings to ensure proper clearance and smooth operation. - Aligning clean room doors where precise gaps are critical for performance and containment. - Retrofit or renovation projects involving doors with flag hinges in tight or awkward spaces.