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Duosync symmetric opening kit
Synchronous opening and closing to your bi-parting doors
Important: Combine one Duosync Symmetric kit with one Standard 140 fittings and track set, plus one Standard additional door fitting set per opening
1 Toothed belt
2 Driver brackets with belt couplers
2 Deflection pulleys
To avoid doors from tilting, the door width should not be less than a third of the door height and the handle height should not be less than a third of the door height.