AC-AP-2020 adaptor plate enables displays with VESA patterns to 200x200 to be attached to monitor arms with different VESA patterns.
AC-AP-2020 reduces the working capacity of the monitor arm by 2.2lb (1kg).
The maximum reduced-capacity monitor arm AP-AC-2020 can be used with is 66lb (30kg).
AC-AP-2020 does not increase the capacity of a monitor arm!