HOBBYTIGER 2 Pairs Nylon Fiber Propellers Prop Blade Set A+B for YUNEEC Typhoon Typhoon G Q500 Q500+ Q500 4K RC Quadcopter Drone Spare Replace Parts Easy install High quality and reasonable price Material: Nylon fiber, outstanding in tensity and strength For: YUNEEC Typhoon Q500 Q500+ Q500 4K quad Includes sets A and B totally 4 pcs in package