●Use for T-REX 600/600 Nitro。
●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 A x 9(Φ4.75x8.68mm)
●M2 nut x 9