Ergotron LX HD - Mounting kit (extension adapter, VESA adapter, sit-stand arm, wall mount base) - for LCD display - polished aluminum - screen size: up to 46"

This versatile arm can be used in a variety of applications: accommodates large monitors, mid-sized TVs and all-in-one computers weighing up to 30 pounds (13.6 kgs). The LX provides unparalleled range of motion, being able to accommodate a user's sitting or standing posture - features 20 inches (51 cm) of vertical adjustment and 62 inches (157 cm) of side-to-side adjustment.