I have this one https://www.ebay.co.uk/itm/FLEXIMOUNTS-F6D-Dual-monitor-mount-lcd-arm-for-17-30-Computer-Monitor-Gas-or-/224291798623 https://www.ebay.co.uk/itm

I have this one https://www.ebay.co.uk/itm/FLEXIMOUNTS-F6D-Dual-monitor-mount-lcd-arm-for-17-30-Computer-Monitor-Gas-or-/224291798623 https://www.ebay.co.uk/itm/FLEXIMOUNTS-F6D-Dual-monitor-moun... It’s great and handles the two screens fine, can lock it off by tightening up the Allen headed bolts once you have it just so.