This has two monitor arms attached to a small post. Each arm has three points of articulation and allows hand rotation of monitors landscape-to-portrait. 

The monitor arms are spring-assisted and can be installed in any of the four post channels, and additional monitor arms can be added later. The spring-assisted arm design provides excellent ergonomic support and display adjustment from a seated position. Perfect for activity based workplaces, sit-to-stand workstations, and shared environments.

• Makes it quick, convenient, and simple to adjust and reposition connectors in a secure mounting system
• Sustains a maximum load capacity of 19.84 lb
• Supports 27" displays
• Built with aluminum product material to offer great versatility and allow creativity and innovation in design and construction
• Articulating feature for maximum productivity with added dependability
• Workstation application/usage allows adaptability with easy installment