4 Sets DIY Upgrade Metal Arm Driving Servo Parts For HUINA 1550

Feature
The stock is made of the main arm, a second arm and bucket arm,  the metal linkages make them have much more power than the original one, whatever you want how to use your excavator, grabbing heavy, breaking stone or digging the earth, this stock will bring you a great improve.

Description
Brand Name: Huina
Item Type: Driving Rod
Material: plastic
Suitable For: Huina 1550 

Package Included
4 Sets （Each Set Contains 3pcs Driving Rods)