Question about Ergotron LX Monitor Arm

I'll answer my own question now. Perhaps it will be useful for others. The height adjustment is 320mm for me. I have a 4Kg laptop mounted on it, which is equivalent to a 6-7Kg screen, and even when I support my hands comfortably the thing holds wonderfully! in combination with a Gravity Balans chair the absolute hammer

Hello this is the model for wall mounting ... to work standing up I would choose the model with the table mounting further details can also be found on the manufacturer's page ....