Max. Door Width: 80 Kg Max. Door Width: 1200 mm features: Simultaneous Operation for Bi-Parting Doors Operates in conjunction with the 80 kg system fitting set and track For two sliding doors maximum width 1200 mm each Minimum door thickness 26 mm 2 Guide rollers - Track mounted with rubber stopper 2 Clamps - For fastening the toothed belt 10 Metre toothed belt - Transparent polyurethane with metal insert Please Note: 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.