Atdec SSS Systema Monitor Spring Arm with Quick Release Mechanism and 75x75/100x100 VESA Support for 3.3-to-17.6-Pound Displays, Silver Monitor Spring Arm for monitor/notebook displays weighing between 3.3lbs (1.5kg) and 17.6lbs (8kg). Part of Atdec's modular Systema range. Full motion spring arm for effortless adjustment from a seated position; Tilt, pan, height and portrait to landscape rotation With VESA 75x75, 100x100; 200x100 via additional plate VESA head can be easily replaced with the SNBT (Notebook Tray). Composed of durable steel and Aluminum materials; 10 year warranty