Low Profile Under Desk Storage: Declutter your desk with this clamp-on storage solution. The 16.1' (21.4' with clamps) x 9.1' x 3.5' pull-out drawer keeps your space organized and professional with space for paper, pens, a small keyboard, and more Simple Clamp-on Installation: Attach this drawer to your workstation without causing damage to your desk (max 1.08' thick) with sturdy C-clamps that hold everything in place. Note: The gap between drawer and bottom of desktop increases with thinner tops