21-455 rollers end guides

A contractor from Estell Manor, NJ says:
21-455 has how many rollers and end guides. Will it hang two doors or do need to buy extra set of rollers and end supports?
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Dave Sr. from SWISCO responded:
The 21-455 track comes with two 21-174 roll guides, two 21-286 snuggers, and two 21-175 pivot brackets.
Bi-fold Door Repairs
Bi-fold Door Repairs
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