DJI Phantom 2 Propellers Set Description. The DJI Phantom Self-Tightening Propellers is a set of two 9 propellers for the DJI Phantom 2 or Phantom 2 Vision quadcopter. It features one clockwise CW & one counter-clockwise CCW rotating prop. strong Notestrong Be sure to replace the original prop with a new one that has the same rotational direction. Improperly installed props will loosen detaching in flight. For instructions please refer to your Phantoms User Guide.