GemFan Propellers, the preferred props for the 240 and 250mm racing drones. They are of high quality, durability and very price competitive. . They come package as a set, (CW and CCW). 3 color available and can be mixed to help with craft orientation. The perfect prop solution for the small multirotor.
Gemfan Bullnose Tri-blade 6*4 (6040) Mini multirotor propeller ABS Plastic For 240mm, 250mm size frame. Colour: Green