3Pcs DIY Quadcopter Orange Propellers Prop 7 Inch for RC Airplane Product Name : RC Airplane Propellers;Vane Number : 2 Vane Model : 7";Motor Shaft Hole Dia : 2.5mm / 0.1", 1.5mm/ 0.06" Total Length(Rotating Diameter) : 7";Hub Thickness : 15mm / 0.59" Material : Plastic;Color : Orange Weight : 14g;Package Content : 3Pcsx RC Airplane Propellers