Description: 【Comprehensive Spare Parts Set】: This RC Quadcopter Spare Parts set includes 4 protect rings, 8 propellers, 4 arms, 4 motors, 4 motor mounts, 4 motor gears, and 8 large gears to ensure you have everything needed for maintenance and repairs 【Materials】: Motor Propeller Set Made from quality pp and metal components to provide long lasting performance and reliability for your drone 【Easy Installation】: Designed for easy installation, Drone Accessories kit allowing you to quickly replace parts 【Direct Replacement】: Each component is crafted to be a direct replacement for the old parts of your drone, ensuring compatibility and functionality 【Compatible 】: Engines Repair Parts Specifically designed to fit the E88Pro and E88 model drones Specification: Material: Pp Metal Size Chart: Protect circle 78x25mm/3.07 inches x 0.98 inches Blade length 10.6cm/4.17inch Package Includes: 4 protection rings 8 wind blade 4 Arm 4 motors 4 motor seat 4 motor gears 8 large gears Note: Please allow slightly errors due to manual measurement and different monitors.