The 1045 (10×4.5″) Multi-Rotor Propeller Blade is a high-efficiency, durable drone propeller designed for stable flight performance. Molded from high-strength, impact-resistant composite nylon plastic, this 10-inch blade handles high RPMs with minimal flexing or vibration. It is the industry standard choice for F450/F550 quadcopters, multi-rotors, fixed-wing RC airplanes, and custom DIY drone projects utilizing brushless motors.