Use for T-REX 700 Nitro Pro.

Specification:
●Metal SF mixing arm x 2
●Socket button head screw x 2(M3x12mm)
●Linkage ball C(M3x3.5) x 4(Φ5x8.5mm)
●Bearing 683ZZ x 4(Φ3xΦ7x3mm)
●Collar x 2(Φ3xΦ4.8x1.5mm)
●Washer x 4(Φ3xΦ4.8x0.3mm)