djustable Height 6 Inch, the fully expanded height is 18.3 inch, the fully compressed height is 12.4 inch, travel from the highest to the lowest point, replace your office chair gas cylinder and stop worrying about disturbing anyone, 360 degree rotation to all directions, freely lift and rotate your office chair smoothly and quietly.
Usually you may need to use a rubber mallet to take out the old gas lift cylinder from chair base and can be installed easily without additional screws required. Spending 5 minutes will bring a new life to your old office chair. We suggest you watch videos on Youtube before you start the installation (search "office chair gas lift cylinder replacement" )