The blue striped 9450L Not Thrust Boosted 9" Self-Tightening Props for Phantoms from DJI consists of a set of two propellers. One clockwise (CW) propeller and one counter-clockwise (CCW) propeller.
9450L provides extra thrust and better power efficiency than the 9443
Self-tightening design avoids prop becoming loose during operation and potentially flying away
Each propeller is made with plastic construction
Compatibility
Phantom 2, Phantom 2 Vision, Phantom 2 Vision+, and Phantom 3