Features 1、Super Thin Blades: The RC carbon fiber propeller carefully optimizes the blade outline and calculates the blade outline through a computer to make the blade thickness extremely thin. 2、High Accuracy Operation: The RC carbon fiber propeller is designed to reduce the power absorption of the motor, thus ensuring high accuracy and high efficiency operation during use. 3、Real Carbon Fiber Materials: The RC folding propeller blades are all made of carbon fiber, a material that gives the blade a very high torsional stiffness, convenient for using. 4、Wide Application: The heavy duty RC aluminum alloy propeller is suitable for fixed wing, suitable for common installation sizes of various brands of motors, better meeting your needs. 5、Length and Diameter: RC folding propeller length is 325mm, the small hole diameter in the middle of the folding propeller is 6mm, and the large hole diameter in the middle is 9mm. Item Type: RC Folding Propeller Material: Carbon Fiber, Aluminum Alloy Product Length: Approx. 325mm /12.8in Adapter Circle Inner Diameter: Approx. 5mm / 0.2in Small Hole Diameter in the Middle: Approx. 6mm / 0.24in Large Hole Diameter in the Middle: Approx. 9mm / 0.4in Application: Fixed wing, suitable for general installation size of various brands of motors Package List 1 x RC Folding Propeller 1 x Adapter Circle