?Use for T-REX 450 Pro.
?Metal SF mixing arm x 2 ?Bearing FMR52ZZ x 4(Φ2xΦ5xΦ6x2.3mm) ?Linkage ball A(M2x2.5) x 4(Φ4.75x7.18mm) ?Washer x 2(Φ2xΦ3.6x0.2mm) ?Socket screw x 2(M2x8mm)