found at DigiDirect
No more crawling under desks on your hands and knees! 17-27 Brateck Triple Monitor Aluminum Slim Pole Held Mechanical Spring Arm comes with Top Fix fitting, which means this type of arm is perfect for limited space underside of the desktop. Providing 2 easily accessible 3.0 USB ports for charging and quality needed, its optimizing elbow spring gauge offers the performance and quality needed for weight adjustment. A Quick-release VESA plate of exquisite structure and detachable joints make it an ideal support for longer life and easy installation.
Note: Product is shown in use for illustration Only, additional equipment is not included.