- Color:Red and Blue,Material:Plastic.Number of Vane:4 Vane
- Blade width:31.2mm/1.23 inch;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:16 pcs red propeller and 16 pcs blue propeller