DJI Phantom 3 9450 Self-Tightening Propellers - High Thrust Boosted Quadcopter Rotor Blades for Aerial Photography & Drone Racing

The DJI 9450 Phantom Propeller are the improved self-tightening propellers for the E300 propulsion system.  The 9450 Phantom Propellers improve on flying characteristics with heavy loads on Phantom Drones.  

9.4" diameter with a maximum thrust of 660g with 2212 motor KV920 12V