Carbon fiber propellers Biela-Semiscale with a great quality to price ratio. They come factory-balanced and certified up to 8.000 rpm (from 36” up to 6.000 rpm). Those propellers are lightweight and very stiff with low level of noise. Center (mounting) part is reinforced with wooden block.
Standard painting: The prop shown above has a standard painting. The back of the propeller is always black.