The AWMS-3-D4651-H-S is a combination of three monitor arms attached to a 20in post in a "pyramid" configuration. The two non-dynamic arms at the bottom and the top dynamic arm support monitors up to 32in in size. The dynamic arm allows the top monitor to be pushed slightly forward and titled down for the optimal viewing angle. Built from lightweight and yet durable aluminum, the mount can be easily recycled at the end of its life. Comes with a desk clamp mounting option. Top dynamic arm: Flat screen monitors up to 32in, 20lb per monitor or less Curved screen monitors up to 32in, 13.5lb per monitor or less 2 x bottom arms: Flat screen monitors up to 32in, 26.5lb per monitor or less Curved screen monitors up to 32in, 17.6lb per monitor or less