NB-D2 ERGONOMIC MECHANICAL SPRING DESK MOUNT MONITOR ARM Product Specifications Screen Size Compatibility: 17" to 32" Weight Capacity: 2–9 kg VESA Compatibility: 75x75 mm and 100x100 mm Adjustability: ±90° horizontal swivel, +90°/-25° tilt, and 360° rotation Mechanism: Mechanical spring arm (clamp or grommet installation)