●Use for T-REX 250/250SE.

Specification:
●Hexagonal screw hole 1.3mm
●Metal main rotor holder x 2
●Bearing 682XZZ x 4(Φ2.5xΦ6x2.6mm)
●Linkage ball B (0#x1.8) x 2(Φ3.5x7.32mm)
●Socket screw x 2(M2x8mm)