The Humanscale M21 is a single monitor arm designed for lighter displays up to 15 lbs. It features a two-piece clamp mount with polished aluminum construction and is compatible with both traditional desks and sit/stand workstations. The arm includes patented Weight-Compensating Spring Technology and Smart Stop functionality for smooth, controlled positioning.
Installation is quick and straightforward thanks to patent-pending Quick Release joints that snap together securely. The M21 offers industry-leading flexibility and personalization options, making it suitable for evolving workplace environments where monitor adjustment and repositioning are frequent needs.
Humanscale M21 Clamp Mount Prices
Humanscale Humanscale M21 Clamp Mount prices start from $250, averaging $250, with a high of $250 across 1 retailer.
$250
Lowest
$250
Average
$250
Highest
Featured In
Specifications
| Mount Type | Clamp Mount |
| Number of Monitors | 1 |
| Max Screen Size | — in |
| Weight Capacity | 15 lbs |
| VESA | — |
| Arm Movement | — |
Where to Buy
| Variant | Retailer | Price | Stock | |
|---|---|---|---|---|
| Humanscale M21 Clamp Mount | amazon | $250 | ✓ In stock | Buy → |
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