1. Precise Hinge Gap Adjustment Key Each of our hinge wrenches is meticulously crafted to ensure precise control of hinge gaps, enabling smooth and accurate alignment of doors and cabinets. It effectively eliminates uneven gaps and reduces noise, friction, and wear. An indispensable tool for your kit. 2. CostEffective Solution Place the hinge adjuster over the hinge pin of the door. Turn the wrench clockwise or counterclockwise to increase or decrease the hinge gap as needed. Fix the door or cabinet quickly, avoiding unnecessary replacements and saving time and money. 3. Performance Materials Our hinge tool is made from a single piece of strength steel. The surface is coated with a special anticorrosion finish to ensure durability and reliability. The ergonomic design features a comfortable rubber grip, reducing fatigue during use. 4. 4in1 Hinge Adjustment Tool Our hinge bending sets include four wrench sizes, compatible with hinges of 14 mm, 19 mm, 21 mm, and 25 mm. This allows you to work on a wide range of hinge types, from small cabinet doors to heavy entry doors, meeting diverse needs in both residential and commercial settings.