●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.

●Stainless steel linkage ball x 16
●Stainless steel ball link(long) x 1
●Cross screw(M2x14) x 1
●Cross screw(M2x6.5) x 16