Perfect Compatibility: Designed specifically for Mini 4 Pro, this arm ensures a Construction: Made with high-quality materials, our spare motor arm shaft is built to withstand rigorous use, ensuring long-lasting performance and reliability. Easy Installation: Replace or worn-out arm shafts with ease. This part comes ready to install, with no special tools required, your drone back in action quickly. Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:As Shown Material:Metal Package Contents: 1 pair x Front arm shaft Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.