Features: brand new and high quality The glossy surfaces can reduce the windage and enhance efficiency. Durables to sustain crash with strengthen the root, good balance.and its good choice for Competition and practice for racing drones. Bull nose design with large frontals area, more suitable for high-speed motor, high efficiency for flight. These propellers offer extreme rigidity and increased flight performance in comparison to alternative propellers. These propellers are perfect for use with miniature multi-rotor aircraft,Easy to install. Specifications: Material:PC Color: Pink/Green/Red Length: 5cm/1.97 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 10 Pair 3-Blades Propellers