Use for T-REX 700 Nitro Pro.

Specification:
●Metal main rotor holder x 2
●Socket collar screw x 2(M5x32mm)
●Washer x 4(Φ10xΦ16x1mm)
●Bearing 6800ZZ x 4(Φ10xΦ19x5mm)
●Linkage ball A(M4x5) x 2(Φ5x24mm)
●M5 nut x 2