Backyard Armour has had it's issues with Customers lately. Might be best to search out threads on Backyard Armor and then make your decision. Those particular tracks look a lot like Pershing tracks. IF they are you have suppliers in the UK that can probably get them for you at the most resonable cost. WelshDragon Models and Militarymight are two good vendors


[link=http://stores.shop.ebay.co.uk/Welsh-Dragon-Models__W0QQ_armrsZ1]WelshDragon Models[/link]

[link=http://www.militarymightuk.co.uk/]Militarymight[/link]