Whoa! I missed this!
The fruilmodel metal tracks are excellent! Here is a pic of them on my Panther.
(click image to enlarge).
These are connected by pins and move just like the real deal. Clean up consisted of running a drill through the pin holes to make sure there was no flash in them and removing a minor amount of flash from the outside. The detail is excellent.
Sorry it took so long to reply and welcome to FSM.