Wide Range of Vehicle Compatibility: compatible with the hinges of most sedans, SUVs, pickup trucks, and trucks, this tool offers exceptional versatility and is an essential tool for automotive repair shops, body shops, and DIY enthusiasts. Precision Calibration Function: Specifically designed for door hinge positioning and calibration, this tool effectively assists in adjusting issues such as door sagging, misalignment, and poor closing, restoring the door to its original factory alignment precision and enhancing repair efficiency. Ergonomic design: The tool features a non-slip grip, making operation simple and effortless, allowing a single person to complete door alignment tasks. Simple and easy to use: This door adjustment tool is very easy to use. Simply slide the tool's pin end into the door lock, then close the door until the tool engages with the door lock. Then, lift or lower the tool handle to align the door. Packaging and installation: You will receive 1 door adjuster as shown in the figure. Bolt-fixed installation.