That little detail saved my life and saved me hundreds of dollars in repairs and time. I'm a professional photographer and I don't have time to send my drones in for repairs. It was quick and youtube videos about the repair made the repair as easy as possible. Due to the small size of the Mavic and because I had never done this particular repair before, it took several hours. However, it would be much faster than waiting days or weeks for an expensive repair if I sent it in for repair. If you are tech savvy I would suggest getting one if your gimbal is not working on your Mavic Pro. I ended up saving a lot of time, hassle and money.