The propellers themselves are fine but the problem is that the supplied propellers are not long enough to fit through the propeller assembly and then into the drone.
GoPro Hero 7 Black Bundle - Extra Battery + Super Suit Dive Housing Case + 64GB SD Card - E-Commerce Packaging - Waterproof Digital Action Camera with Touch Screen, 4K HD Video, 12MP Photos, Live Streaming, and Stabilization
58 Review
Action Camera SJCAM SJ4000 WiFi, 12MP, 1920x1080, 900 mAh, black
48 Review
Panasonic SDR S26 SD Camcorder Blue
38 Review
DJI Mavic Mini Fly More Bundle
59 Review