Features: 1Universal Fit: Suitable for RC aircraft, airplane, glider fixed wing models, suitable for various brands of motors, universal installation size. 2Utrathin Blade: The blade profile is carefully optimized and the blade profile is calculated by computer to make the blade thickness extremely thin. 3High Aerodynamic Efficiency: RC propellers reduce the power absorption of the motor, thus ensuring high precision and high efficiency in use. 4Premium Material: All propeller blades are made of carbon fiber, giving the blades a very high torsional rigidity. Lightweight, balanced and stable. 5Dimensions: The length is 365mm, the adapter ring is 5mm, the small hole in the middle is 6mm, and the large hole in the middle is 9mm. Package included: 1 x RC Plane Propeller 1 x&nbspAdapter&nbspRing&nbsp