●Use for T-REX 500.

Specification:
●Main shaft x 2(Φ4xΦ8x153.3mm)
●Lock collar x 1(Φ8xΦ14x6mm)
●M3 set screw x 2(M3x3mm)
●Socket collar screw x 2(M2.5x19mm)
●M2.5 nut x 2