uxcell 10PCS Fan Style Brushless Motor 4 Vanes RC Boat Airplane Propeller Blue Product Name : RC Boat Propeller;Fit for : Brushless Motor Vane Number : 4;Motor Shaft Hole Dia : 2mm / 0.08" Rotating Diameter : 55mm / 2.2";Material : Plastic Color : Blue;Net Weight : 22g Package Content : 10 x RC Boat Propeller