The world’s best-selling monitor arm. Moves with you to provide effortless adjustment and commercial-grade performance.

Design Features

  • Weight-compensating support

    Weight-compensating support

    Uses Humanscale’s patented spring technology for smooth, effortless movement without knobs or stiff tension controls.
  • VESA plate cover options

    VESA plate cover options

    Creates a cleaner rear view and helps the arm blend into modern home office setups.
  • Smart Stop wall protection

    Smart Stop wall protection

    Prevents the arm from rotating too far, helping protect walls, shelves, and nearby equipment.
  • Quick Release assembly

    Quick Release assembly

    Modular joints snap together for fast setup and easy reconfiguration.
  • Net Positive certified

    Net Positive certified

    Living Product Certified, meaning it is climate, water, and energy positive. Every unit produced gives back more than it takes.
  • Instant ergonomic adjustment

    Instant ergonomic adjustment

    Raise, lower, and reposition your screen to reduce neck and shoulder strain.
  • Cleaner cable management

    Cleaner cable management

    Routes cords through the arm to keep your desk uncluttered and visually calm.

Specifications

Variant

SKU

M21SBTWTM33C21SNA

Number of Monitors

Single Monitor

Warranty

15 Years

Dimensions

Overall Height

7.6 in - 17.5 in

Maximum Monitor Width

44 in

Weight

Overall Weight

10.6 lb

Minimum Monitor Weight

5 lb

Maximum Monitor Weight

22 lb


Materials & Sustainability

  • Product Materials

    Structural components are made from die-cast aluminum, providing strength and precision while maintaining a lightweight form. Surfaces are finished with a durable powder-coated finish designed to resist scratches, fingerprints, and everyday wear while maintaining a consistent appearance.


Who It's For

For people who want a single monitor setup that feels cleaner, more comfortable, and easier to adjust.

- Ideal for home offices and hybrid workspaces where desk space is limited

- Great for sit-stand desks where monitor height needs to move with you

- A strong fit for anyone tired of neck strain, awkward screen angles, and cable clutter


Certifications & Testing

  • HPD
  • DECLARE® - Red List Free
  • Living Product Challenge
  • CDPH
  • BIFMA LEVEL® - Level 3
  • SCS Indoor Advantage Gold
  • MID

Care, Maintenance & Longevity

  • Monitor Arm Care & Cleaning

    Wipe down with a soft, damp cloth and mild soap if needed.

My dock has been easy to reach, and my desk has been cable-free; it's a tremendous ergonomic improvement.

Best monitor arm w/ built-in dock.

The iPhone of monitor arms.

4.4
Rated 4.4 out of 5 stars
Based on 5 reviews
Total 5 star reviews: 2 Total 4 star reviews: 3 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
5 reviews
  • Mason C.
    Verified Buyer
    Rated 4 out of 5 stars
    Feels high quality and frees up desk space

    Outstanding build quality. Setup was quick and effortless, which was a pleasant surprise.

  • Jessica D.
    Verified Buyer
    Rated 5 out of 5 stars
    Feels high quality, frees up desk space

    The product feels high quality and matches exactly what was shown online. Buying without seeing a product in person can be risky, but that wasn’t an issue here. The website does an excellent job showcasing the products clearly and accurately. It’s obvious a lot of thought went into the design, and the overall experience feels polished and professional.

  • Kelsey R.
    Verified Buyer
    Rated 5 out of 5 stars
    Frees up desk space, easy to adjust

    This monitor arm is fantastic. My office uses these, and after a week of daily use, I knew I needed one for my home setup as well. I’d absolutely recommend it to anyone looking for a top-tier, reliable monitor arm.

  • Isabella R.
    Verified Buyer
    Rated 4 out of 5 stars
    Makes screens easier to place

    I’m very happy with this purchase. The construction feels sturdy, it works smoothly, and nothing about it feels flimsy. It feels premium and dependable. Definitely glad I chose this over other options.

  • Madison G.
    Verified Buyer
    Rated 4 out of 5 stars
    Great monitor flexibility

    Solid, well-made product. Installation was straightforward, and it’s easy to adjust. Holds my monitor securely without any issues.