I have the 2 Monitor Arm with 1 Slider Rail setup for my Livtab desk, and it's incredibly adjustable. The slider rail makes it easy to position both monitors exactly where I want them, and the arms feel stable, secure, and well-built. The cable management is brilliant. No messy cords hanging everywhere, no chaos behind my monitors, just a clean, discreet setup that makes my desk look far more organized than I actually am. The arms glide smoothly on the rail while still strong enough to trust with your expensive monitors floating above your desk especially when you're raising and lowering your desk. This is a perfect upgrade if you want your Livtab desk to look cleaner, feel more functional, and give you lots more desk space.