Amazon.com: Graupner 2299.33 Schiffsschraube Race r-m4 – 33 mm – 3 Sheets : Toys & Games
Amazon.com: Fielect 2Pcs 2 Blades Propeller for Ship Model Rc Boat Propeller Model Black Plastic Positive Paddle 40mm Diameter 40mm Pitch 4.8mm Hole Dia : Toys & Games
Graupner E-Props 9x5" CCW - Aerialpixels
Graupner 37.5 mm M4/4BA RH 2 Bladed Racing Propeller: Amazon.de: Toys
Amazon.com: DJI Original 9'' CW+CCW Props 9450 Self-tightening Propeller 4 Pcs for Phantom 3 Professional / Advanced / Standard Quadcopter : Toys & Games