Vistafold 4D Kit is designed for layouts when 4 Doors are folding to one side. Hardware kits include Top Channel and Bottom Track finished in accordance with the colour of the hardware. Kits are handed as follows - ROLI Kit = Right outward folding or Left inward folding. LORI Kit - Left outward folding or Right inward folding. Kits contain all required hardware for the layout required and can be used for inward and outward folding doors.