A - The length of the gas spring in its extended state.
B - The length of the pipe (without end fitting).
C - The length of the rod (without end fitting)
D - The diameter of the pipe
E - The diameter of the rod
F - The force of the gas spring. Force is measured in Newtons (N).
In case the force is not marked on the gas spring, let us know the approximate weight of the burden that gas spring lifts.
G - The type of end fitting. (You can find types of end fittings here