STANDOPIA Dual Monitor Mount for 17 to 40 inches, Holds up to 26.4 lbs, Monitor Desk Arms for 2 Monitors Vertical/Parallel Placement, with Clamp/Grommet Base, VESA Mount 75/100 mm

Dual Stacked Monitor Mount: Effortlessly stack two 40" ultrawide monitors with VESA 75x75/100x100 mm. The vertical adjustment distance up to 32 (VESA center to desktop), this can greatly increase desktop utilization for you. ^^ Versatile Dual
Monitor Stand: Easily arrange two 17-35" monitors side-by-side with VESA 75x75/100x100 mm (up to 37.6" arm span)
Note: for some special screen cant be placed side by side, stacked placement will also be a good choice. ^^
Heavy Duty Gas Spring Mount: Engineered for durability, our monitor arm have been tested for 20, 000 cycles of motion to ensure long-lasting performance, and can easily support up to 26.4 lbs per arm. Meanwhile, the quick-release VESA plate makes installation effortless for heavy monitor. ^^
Full Motion Viewing Angles: With +35/-35 tilt, 180 swivel, and 360rotation, plus 19 inch height adjustment on the center pole. Easily customize your perfect viewing position for all day comfort and support healthy posture.
^^ Provide Organized Workspace: Keep cables perfectly managed with our cable clips, special open and close design makes organizing cables a breeze, and convenient tool storage on the pole for wrenches. Achieve a clutter-free, professional setup in seconds.
^^ Two Installation Options: Depending on your needs, you can choose between C-clamp and grommet mounting (the C-clamp works on desks 0.4" - 3.34" thick; the grommet base works on 0.4" - 1.57" thick desktops with 0.4" - 2.4" diameter holes).