Allsop - ASP32457 Ascend Dual Monitor Stands feature two height-adjustable platforms that can be mounted and adjusted individually, providing maximum flexibility and customization. Stands utilize a robust clamp system that is hidden underneath the desk to optimize your work space. Clamp fits on desk up to 2" thick. Each 14" wide x 9" deep platform adjusts to three height options for the best ergonomic positioning (4" , 4.88" and 5.75"). Platforms are ideal for traditional, non-VESA stands or raising laptops to the same height as your monitor. They create more useable desk space and offer a sleek, modern look. Each platform holds up to 30 lb.