Original DJI replacement spare parts designed for DJI Mini 3 Pro drones; it also fits DJI Mini 3. The front hinge can also fit DJI Mini 4 Pro drones. What this part is Front arm axis hinge shaft replacement spare part for DJI Mini series What you gain Restores function: Replaces a broken motor arm axis hinge so the drone can regain its steering and stability. Compatibility across models: Designed for DJI Mini 3 Pro and DJI Mini 3; the front hinge also fits DJI Mini 4 Pro for added versatility. Reliable, original part: Intended as an original replacement spare part to maintain fit and performance. Package contents 1 x front arm axis hinge shaft Use scenarios Scenario 1: Your DJI Mini 3 Pro or DJI Mini 3 has a damaged or broken motor arm axis hinge. Use this shaft to restore proper operation and control. Scenario 2: You keep this as a spare part in your field service kit to reduce downtime during onsite repairs. Scenario 3: If you own a DJI Mini 4 Pro, you can use the same front hinge shaft as part of front hinge maintenance or replacement when needed.