5PCS RC Plane Parts 15mm Hub Thickness 2-Blades 7" Propellers 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 : 24g;Package Content : 5Pcsx RC Airplane Propellers