2 Pairs DJI Phantom 2 Vision+ 9450 Self-Tightening Propeller(2CW+2CCW) OEM Part #13 - UPC#6958265112126 - US dealer Genuine DJI Propellers in Original Manufacture Packaging Metal Hub - 9450 Self-tightening Propellers can be used with Phantom 2 series or Flame Wheel series platforms and the E305/E300 tuned propulsion systems.