Replace that broken and damaged Backward Motor Axis hinges for Mini 3 Pro & Mini 3 Drone series, Lets your Drone Back in the air as soon as possible. ★★★CAUTION: The Drone must be disassembled to install this part, a reasonable degree of skill experience is required to handle the parts. The Drone must be disassembled to install this part, a reasonable degree of skill experience is required to handle the parts, or you can find the related installation tutorial in internet. Reference Compatible with models: - Mini 3 - Mini 3 Pro - Mini 4 Pro