Features: Enhance your helicopter's performance with the 430mm universal fiberglass main rotor propellers. Designed to reduce noise and power consumption, these propellers provide stable flight and exceptional durability. Crafted from high-quality fiberglass material, these propellers are strong and resistant to crashes, ensuring long-lasting use. Experience smoother flights, reduced noise, and improved control. Perfect for helicopter enthusiasts of all levels, these universal main rotor propellers are a must-have accessory for anyone looking to elevate their flying experience. Whether you're practicing in an open field, these main rotor propellers will deliver stable and reliable performance, making every flight memorable. Specifications: Material: Fiberglass Total Length: Approx. 443mm/17.44 inches Length: Approx. 430mm/16.93 inches (hole to end) Width: Approx. 42.5mm/1.67 inches Root: Approx. 10mm/0.39 inches Bolt Hole: Approx. 3.0mm/0.12 inches Note: Please allow 1-2cm error due to manual measurement; ensure you don't mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 pair of 430mm Main Propellers