PRICES MAY VARY. 【Avoiding Shoulder Pain at Work】Raise monitor 5.5 inch so that your eyes are at screen level. The body sit up straight, correct sitting posture can prevent cervical spondylosis, reduce the body pressure of office workers. 【One-step Easy Assemble】The monitor stand comes with pre-drilled holes, screw the base together and mount the 2 side parts to the middle section. It no extra tools and effort is required and instructions are included. One person can finish it in 5 minutes. 【Ant