The propeller protective rings package adopts a lightweight design, which can minimize the additional weight on the aircraft and that flight performances Avoiding foreign objects from hitting the propeller at the same-time, enhancing flight This package provides a simple and fast installation process, allowing for easy installation of propeller protective rings for MINI3/3PRO without the need for additional tools Using high toughness- resistant to and pressure, reducing accidental damage to the machine- Separating the propeller from the outside to the propeller from accidentally cutting into people and objects