Описание товара на английском:
Optimized to be aerodynamic and lightweight, they enable even greater thrust than the previous 9443 rotors.
Perfect dynamic balance is ensured by high-precision manufacturing and a strict quality control system.
Decorative stripes are available in a variety of colors for customization.
Diameter/Thread Pitch: 24 x 12.7 cm （9.4 x 5.0 inch）
Weight: 13 g
A set of two propellers. Includes one clockwise replacement propeller and one counter-clockwise replacement propeller.