RC Airplane Propeller - SODIAL(R) 2 x RC Airplane Model Plane Propellers Props Black 203x109mm 8x4.3 EP8043 Product Name : RC Airplane Propeller Blade Number : 2; Model : EP8043 Motor Shaft Hole Dia : 3mm / 0.12" Total Length(Rotating Diameter) : 8" Pitch : 4.3"; Max Thickness : 10mm / 0.39"