✔ EASILY CLAMPS ON IN SECONDS: Styled with two easy-to-use clamps, you can attach your new shelf to any desk in seconds! This clamp-on shelf can attach to desks up to 1.25" thick. ✔ ADD EXTRA WORKSPACE: Desk feeling a bit cramped? Our monitor riser adds another sizable level to your desk and frees up tons of workspace below. It can be adjusted to extend inward over your desk OR it can extend outward to increase your overall desk space by over 3 square feet. ✔ EXTRA LARGE DESK SHELF: This desk shelf is huge- without being bulky! With an added area of 4.5 square feet, this monitor stand can support 3 monitors or a total of 40 pounds. ✔ WORK IN COMFORT: No more having to strain your neck! This clamp-on monitor shelf will keep your monitors at eye-level, to keep you focused and comfortable throughout the day. ✔ STURDY CONSTRUCTION: While you may find the average desk shelf to be a little wobbly- that’s not the case with this desktop shelf. The clamp-on design combined with two sturdy legs keep your monitors steady and wobble-free.