Whether you're practicing in open field, these main rotor propellers will deliver stable and performances, making every flight a memorable for helicopter enthusiasts of all skill these main rotor propellers are a must have accessory for anyone looking to improve their flying Crafted from carbon fiber these propellers are strong and resistant to crashes, ensuring long lasting use. smoother reduced noise, and enhanced control. Enhances your helicopter performances with the 360mm Carbon Fiber Main Rotor Propellers. Designed to reduce noise and power loss, these propellers provide stable flying and durability.