I really wish Mato would hire somebody to write their tank descriptions in English... it's awful. Just as bad on their eBay site. Half the time I have no idea what specifically they're talking about.
"
The word High Quality is used because these Metal Tracks are High Quality." Really? 
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Tiger I - Panzer III - Panzer IV - Chi Nu Kai - STUG III/G - Panther G*
M4A1 Sherman - KV-2 - T-34/85 - M26A1 - SU-76i - M3 Grant..?*
*under construction