40pcs 2mm Shaft Propeller with 4 Vanes and 3 Vanes,40mm and 80mm Fan Leaves RC Boat Propeller for DIY Science and Toys

Color:Red and Blue Number of Vane:4 Vanes and 3 Vanes Size:40mm and 80mm ; Aperture:2mm/0.078 inch Will work with many kind of 130 dc motor with 2mm shaft Perfect for mini fan,electric toys,RC Boat and Science and education toys. Packing Including:10pcs red 3 vanes ; 10pcs blue 3 vanes ; 10pcs red 4 vanes ; 10pcs blue 4 vanes.Total:40pcs