Hobby Signal 9450S Carbon Fiber Propellers for DJI Phantom 4 2pairs (2CW+2CCW) Phantom 4 9450S Full Carbon Fiber Propellers The full carbon fiber propeller has better strength, higher efficiency and longer flight time while less weight 1 pair includes 1 CC propeller & 1 CCW propeller Note: 1pair of propellers is matched with a hexagonal wrench and a pair of seats. Packing list: 2 pairs of phantom 4 propellers ;blades mounting tool