2Pcs Golden Metal Driving Wheels Track Slave Wheel 6mm Inside Diameter for Smart Tank Car

Specifications: 

Name: Metal Drive Wheel

Size: about 5.6 * 3.5cm
Weight: 28g 
the Inside Diameter of Coupling: 6mm

Color: Golden
Fit for: Chassis Tank Car
Quantity: 2

 

Package Inlcuded:

2 x wheel