The package includes 8 propeller propellers, a screwdriver, and 12 screws to facilitate easy installation and interruptions due to lost screws, making it beginner friendly For enthusiasts,photographers, and professional operators for reliabled and efficient performances Perfectly for various applications such as outdoor photography, flighting, and recreational flying, ensuring versatility in different scenario Specifically For UAV these replacement propellers ensuring optimaled flight performances and stability, enhancing your photography and flying From lightweighted PC, the low noise propellers reduce resistance and extend battery life, providing a quieter and longer flight time