Missing the upper & lower tracks. no markings on the glass doors at all

A quick learner says:
I already purchased the top & bottom tracks . order # 1470643
Wrong size-I ordered 60 " & opening is 72"
I want to make sure what I order will fit these doors. Not sure if the bottom hardware is missing rollers or not
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Bob from SWISCO responded:

You can see the Return Policy for the 60" tracks here. I think the 72" versions of these, the 23-242 and 23-246, should work with those guides. 

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