StarTech.com Desk Mount For 2x Vertically Stacked Monitors, Dual 49" , Total 70lb/32kg, C-Clamp, VESA, Widescreen 16:9/Ultrawide 32:9, TAA - Monitor mount for two vertically stacked displays; Max dual 49" 32:9/35.3lb each - Hidden cable management; C-clamp for 1-3.9" thick desks - Quick-release VESA