Known for their durability, great balancing and superb hub centering and expendable price. They come packaged as a set of 4, with two CW rotation and two CCW rotation. There is a wide range of color options that can be mixed and matched to help with multirotor orientation. This is the perfect upgrade for any small multirotor.
Hub: 5mm (adapters included for 4mm,3mm,2.5mm)
2 x CW rotation
2 x CCW rotation