I was skeptical a single clamp could hold both shelves steady, but it hasn't budged under a stack of textbooks on the bottom and my monitor riser stuff up top. My desk finally has somewhere to put things instead of just piling them. Installation took maybe ten minutes with the included hardware.
Brian L.★★★★★
Two levels on one clamp freed up so much space on my desk that I actually cleared out a drawer. The lower shelf sits high enough that my monitor fits underneath, and the whole thing feels rock-solid when I type.
Scarlett K.★★★★★
My cluttered desk finally feels manageable with this dual-shelf setup. The lower level is perfect for my printer while the top keeps my notebooks within reach, and the clamp holds everything rock-solid through an entire workday.