Product: Package: Instruction: Specification: ??6061-T6 Aluminum alloy material and CNC processed Use for T-REX 500E PRO / 500EFL PRO. ??Metal plate(L) x 1 Metal plate(R) x 1 ??Metal tail unit x 1 ??Tail rotor shaft assembly x 1 Front long umbrella gear-25T x 1(?18.5x?8x25.4mm) ??Bushing x 1(?10.5x?11.9x12.5mm) ??Bearing MR128 x 2(?8x?12x2.5mm) Bearing 684ZZ x 2(?4x?9x4mm) ??Socket collar screw x2(M2.5x19mm) ??Socket button head screw x4(M2.5x6mm) ??Socket button head screw x1(M2.5x14mm) M2.5 special washer x 2(?2.5x?6x2mm) ??Vertical stabilizer mount x 1 ??Weight:38.3g