The delivery was quick and the package was protected by suitable packaging material. The product has exceeded my expectations. I relied on the actual dimensions of the stand, monitor platform, height adjustment, and swivel ratio. Personally, I was looking for a monitor stand for my second computer screen in the office that I could rotate to display recordings and files for my clients. I've read from other comments that the bottom tray pivots, not the top platform that holds the monitor. To my delight, I found that the monitor platform can pivot at a height of 3 inches (which according to "Smartfit System" on their chart is about an inch lower). I believe the base height of my monitor (acer S211hl 21.5" (wide) balances the ergonomics of this system at eye level. The input tray is 13" in diameter and the monitor platform is 11-3/4" in diameter. front narrows 10". Monitor platform height adjustment starts at 2" and goes to about 3.5" but definitely at 3.25" as the 3.5" setting wobbles a bit. The monitor platform exists Made of strong metal and machine finished with silver plating.