●Use for T-REX 250/250SE.

●Hexagonal screw hole 1.3mm
●Metal SF mixing arm x 2
●Socket button head screw x 2(0#x6mm)
●Linkage ball A(0#x2) x 4(Φ3.5x5.3mm)
●Bearing 681X x 2(Φ1.5xΦ4x1.2mm)
●Bearing 681ZZ x 2(Φ1.5xΦ4x2mm)
●Washer x 2(Φ1.5xΦ3x0.5mm)