A traditional type swing-gate use up-to 100% more back space in its opening and closing, if compared with bi-folding swing gates. Meaning that the normal space taken up by a conventional swing gate will be free to utilise in some other way. The CAIS TWIN DRIVE bi-folding hardware is particularly useful in places where space is at a premium such as urban areas with high population density. The traditional swinging gate will take up valuable space and can be quite inconvenient to use at times. Using the CAIS TWIN DRIVE bi-folding system will free up more space for vehicles or foot traffic.