https://www.filmcarts.co.uk/mms09-vesa-monitor-mount-to-58in-spigot---ball-loc---qr-996-p.asp
MMS09 VESA Monitor Mount to 5/8in Spigot - Ball-Loc - QR
The MMS09 VESA Monitor Mount to 5/8" Spigot Ball-Loc Quick Release supports broadcast production quality monitors up to 77 lb/35kg, designed
monitor mountvesa