Easy to InstallNo drilling required and no damage to your desk. Litwaro clamp on desk organizer features a simple clip, you just turn the knob to fix it on the edge of your desk. And the practical design of silicone pads and rounded corners can directly prevent your laptop from being scratched. Fits Flat Edge Desk 0.4"-2"Under desk storage fits most flat edge desks, and the buffer pad inside the tray protects your items from scratches. Litwaro side desk organizer can be attached to desk thickness of 0.4" to 2". Multifunctional Desk OrganizerUnder desk laptop tray not only solves a lot of clutter problems on your desk, but also provides ample space to store laptops, iPads, books, documents, and more. With the additional magnetic pen holder, you can conveniently store pens, cell phones, scissors, rulers and other small standing desk accessories, so they are always within reach whenever you need them. Sturdy and ReliableUnder desk drawer are well-made