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The VMAE-C012WS uses a gas-spring counterbalance that self-adjusts its lifting force to the monitor’s actual weight across the full 2-9kg range, so the same arm holds a light 2kg panel and a heavy 9kg panel at any height in its travel without a separate tension dial to set. The steel and aluminum arm gives 453mm of horizontal reach from the mounting point, with the desk clamp or grommet base rated for 10-80mm and 10-40mm desktop thickness respectively.
The VESA plate covers 75x75mm and 100x100mm, the two most common patterns on 17″-32″ monitors, and rotates a full +180° to -180° independent of the arm’s own +90° to -90° swivel. Built-in cable routing runs the monitor’s power and signal cable through the arm channel rather than leaving it exposed along the outside.
Single-arm desk mounts like the VMAE-C012WS are specified for standard office workstations, hot-desking setups, and call-center or trading-adjacent desks where one monitor needs to move between sitting and standing eye lines throughout the day. The clamp/grommet dual mounting covers most standard desk edges without a custom bracket, which matters for large office rollouts where desk specifications vary between vendors.
For dual-screen desks, the VMAE-C024WS in the same series carries two independently adjustable arms on a shared base rather than requiring two separate single-arm units. For monitors above 9kg or ultrawide/curved panels needing a stronger counterbalance, the VMAD-C012WG heavy-duty gas-spring arm is the correct spec instead of this SKU.
The base mounts to the desk edge with either the included clamp (10-80mm desktop thickness) or the grommet base through an existing cable-management hole (10-40mm thickness), no drilling into the desk surface required for either option. The gas-spring tension is factory-set to the arm’s rated range and self-adjusts to the attached monitor’s weight; no manual calibration step is needed after the VESA plate is fastened to the monitor’s rear mounting holes.
| Product Category | Single Monitor Arm |
| Material | Steel, Aluminum, Plastic |
| Surface Finish | Powder Coating |
| Fit Monitor Size | 17″-32″ |
| Weight Capacity | 2-9kg (4.4-19.8lbs) |
| VESA Compatibility | 75×75, 100×100 |
| Mounting Type | Desk Clamp or Grommet Base |
| Desktop Thickness | Clamp: 10-80mm; Grommet: 10-40mm |
| Arm Extension | 453mm (17.8″) |
| Height Range | 133-428mm from base |
| Tilt Range | +55° to -55° |
| Swivel Range | +90° to -90° |
| Screen Rotation | +180° to -180° |
| Cable Management | Built-in, routed through arm channel |
The gas spring self-adjusts its lifting force across the full 2-9kg range, so a light panel near 2kg and a heavy panel near 9kg both stay locked at any height without drifting down or needing a manual tension screw adjustment. This differs from fixed-tension arms that need re-tuning when the monitor changes.
The clamp suits desks with an accessible front or rear edge and covers 10-80mm of desktop thickness. The grommet base routes through an existing cable-management hole and suits desks without a clampable edge, covering 10-40mm thickness. Both ship with the arm; pick based on the desk’s construction.
453mm of horizontal extension from the base, which is enough to bring a monitor from the desk edge to a comfortable working distance on most single-monitor desks. Combined with the 133-428mm height range, this covers most seated and standing desk configurations without a separate desk-height adjustment.
Only within the stated 2-9kg weight range and 75x75mm/100x100mm VESA pattern; heavier ultrawide or curved panels above 9kg need the VMAD-C012WG heavy-duty gas-spring arm instead, which is built for a higher weight ceiling on the same style of counterbalance mechanism.
Yes, the VESA plate rotates a full +180° to -180°, independent of the arm’s own +90° to -90° swivel, so the monitor can be set to portrait orientation at any horizontal position the arm reaches. No tool is needed for the rotation itself once the VESA plate is fastened.
Not on this SKU. The VMAE-C024WS in the same product family carries two independently adjustable spring-assisted arms on a shared clamp or grommet base, built specifically for dual-screen desks rather than pairing two single-arm units side by side.
Tell us about your project and our team will recommend the right mounting solution for your display or video wall installation.
