Using high toughness- resistant to and pressure, reducing accidental damage to the machine- The propeller protective rings package adopts a lightweight design, which can minimize the additional weight on the aircraft and that flight performances Separating the propeller from the outside to the propeller from accidentally cutting into people and objects 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 Avoiding foreign objects from hitting the propeller at the same-time, enhancing flight