4pro Crash Rings Protective Cover Anti-Collision Propellers Guard for

Connected from beginningto end, stable and anti shaking The front and rear circlesare connected and integrated, reducing resonance and making it more stable After calculation and repeated testing, this lightweight, anti-collision, and resistant anti-collision rings have been developed Following the principlesof mechanics, it has a strong resistant structure Isolating theblades and protecting the propeller can greatly it from people or objects Multiarch structure, collision resistant and resistant, and upgraded for safercollision resistance