8 Blade Propeller For RC Airplane 30mm 40mm EDF Ducted Fan Unit Description Item Name 8 Blade Propeller Blade Diameter 30mm 40mm optional Pitch 1 5mm 30mm 8 Blade 2 0mm 40mm 8 Blade Usage Suitable for 30mm 40mm EDF Unit Package Included 1x 8 Blade Propeller