Features: Enhances your helicopter performances with the 430mm Universal Glass Fiber Main Rotor Propellers. Designed to reduce noise and power loss, these propellers provide stable flying and exceptional durability. Crafted from high quality glass fiber material, these propellers are strong and resistant to crashes, ensuring long lasting use. Experience smoother flights, reduced noise, and enhanced control. Perfect for helicopter enthusiasts of all skill level, these universal main rotor propellers are a must have accessory for anyone looking to improve their flying experience. Whether you're practicing in an open field, these main rotor propellers will deliver stable and reliable performances, making every flight a memorable one Specifications: Material:Glass Fiber Total length:Approx.443mm or 17.44in Length:Approx.430mm or 16.93in (hole to the end) Width:Approx.42.5mm or 1.67in Root:Approx.10mm or 0.39in Bolt Hole:Approx.3.0mm or 0.12in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1pair 430mm Main Propellers