DJI Mini 4 Pro and Mini 3 owners - if you've had a crash or rough landing that damaged your front arm hinges, this replacement kit is your saving grace! The package includes everything you need: the main front arm axis, three replacement screws, and a full set of professional repair tools. The arm axis is made from quality materials that match the original part's specifications, ensuring proper fit and function. The included T5 and T4 screwdrivers, crowbar, and anti-static tweezers make the repair process much more manageable if you're comfortable with DIY fixes. The replacement process involves removing the damaged hinge and installing the new one - it's definitely a job that requires some technical skill and patience. If you're not experienced with drone repairs, we strongly recommend having a professional handle the installation to avoid causing further damage. The quality of the replacement part is solid, and once installed correctly, it restores your drone's ability to extend and retract the arms properly for flight. This repair can save you hundreds compared to sending your drone back to DJI for service. The kit is specifically designed for Mini 4 Pro and Mini 3 models only - double-check your drone model before ordering. Whether you're an experienced drone technician or a brave DIY enthusiast, having this repair option available means less downtime and more flying time. Your grounded drone doesn't have to stay grounded forever!