SwingFile Letter Trays, 2-High DuoFeatures SwingFile Letter Trays create clean and uncluttered work surfaces, and take up ZERO desk space! Traditional trays take up valuable space. SwingFiles rest 6" above your desk creating a clear, clutter free work surface Traditional trays have little clearance and are hard to access. SwingFiles have greater clearance and rotate 360 to provide open access to every tray. Can easily be positioned anywhere along the back or sides of your desk for