Fellowes Office Suites Letter Tray (8031701) Convenient Fellowes Office Suites Letter Tray helps you enhance personal productivity while maximizing your workspace! Loads letter or A4 size documents from the side and features stackable, interlocking pieces so you can design your own system. Works with other Office Suites products: telephone stand, file sorter, laptop riser, or more letter trays. Non-skid rubber feet protect work surface from scratches or scuffs.