●Steel ball parts is made of rigid stainless steel, features wear-resisting, and anti-oxidization. Therefore this refitting component is absolutely helpful for the accuracy of flying movement control and the stable of the flight.

Specification:
●Linkage ball B3 x 6(Φ4.75x9.77mm)
●Linkage ball C x 2(Φ4.75x13.52mm)
●Long linkage ball x 1(Φ4.75x24.59mm)