The AF-AT-D is designed specifically for users who require a dual monitor configuration. Monitors can be set to ideal heights in portrait or landscape orientation and ball-bearing arm joints ensure smooth, long-life operation. Quick release/attachment mechanisms make installation and monitor-swapping simple and easy. Advanced cable management ensures clean monitor and mount profiles for the ultimate style and function. This mount can also be used in a back-to-back configuration for single monitor applications when desk space is at a minimum. Comes with bolt through and desk clamp mounting options. All mounting hardware included.