Description：
      AK400/420 Tail Rotor Holder Washer is suitable for Steam AK400/420 helicopter model. It can better make the tail rotor vibration less, effectively improve the flight stability.

Related Product Number：
AK400/420 Tail Shaft AK4039 
AK400/420 Tail Rotor Holder Washer/2pcs AK4075
AK400/420 Tail Feathering Shaft AK4038 

Specification：
Tail Shaft Spacer×2(Φ3.0×Φ5.5×Φ7.5×3.0mm)