Bộ động cơ servo bằng kim loại chuyên dụng cho máy xúc điều khiển từ xa Huina 1550

Update Metal Arm Driving Servo Parts for Huina 1550 RC Excavator Parts

Description:
 Made of aeronautic magnalium material
 High hardness, light in weight, keep your excavator from foreraking or tail-warping
 Great power
 Super realistic, bring you better experience
 Larger extended angle

Packing includes:
 1 set Metal Arm Driving Servo Parts