4pcs 9450 Propeller and Props Protector for DJI Phantom 3 Drone Parts Quick Release Blade Wing Guard Bumper Props Kits|Propeller| - AliExpress
Amazon.com: DJI Original 9'' CW+CCW Props 9450 Self-tightening Propeller 4 Pcs for Phantom 3 Professional / Advanced / Standard Quadcopter : Toys & Games