The stair gate Premiergate from the brand Babydan can be extended to the desired size.
There is a Premier safety gate for any space between 73.5 and up to 183 cm.
73.5 to 93.3 cm basic gate (Art: 006-danprimo2) 92.5 to 106.3 cm basic gate + extension 14 cm 105.5 to 119.3 cm basic gate + 2x extension 14 cm 119.3 to 125.6 cm basic gate + extension 32 cm 126 to 138.7 cm basic gate + extension 14 cm and 32 139 to 158 cm basic gate + extension 64.5 cm 158.3 to 171.2 cm basic gate + extension 14 cm and 64.5 cm 171.3 to 183 cm basic gate + extension 32 cm and 64.5 cm