This desk monitor riser allows you some flexibility in placing your monitor for maximum comfort. The legs adjust to heights of 4.3 inches (110 millimeters), 5.1 inches (130 millimeters) and 5.9 inches (150 millimeters), so you can view your monitor while lessening strain on your eyes and neck. Lifting your monitor also frees up valuable space on your desk, table or counter at home, school or office.