Manufacturer Description

This is a metal tail assembly for the Align 500 line of
helicopters using the belt tail drive system.  It is far stronger than the standard tail assembly. It is NOT interchangable
with the torque tube unit.

Package includes: 

1 - 500 Metal plate(L) x 1
1 -
500 Metal plate(R) x 1
1 - 16x18x40.8mm 
500 Metal Tail Belt Unit
1 - 14.6x5x10mm 
500 Control arm mounting bolt
1 - 4x17.3mm
Aluminum bolt
1 -
500 Drive pulley(19T)
2 -
500 Pulley cover

1 - 4x56.8mm 500 Tail rotor shaft
2 - 4xΦ9x4mm 684ZZ 
Bearing 
1 - M2.5x10mm
Socket screw
7 - M2.5x5mm
Socket button head screw
2 - M2.5x6mm
Socket button head screw