CONVENIENT ACCESS: This Universal Keyboard Shelf is the perfect option for giving you quick access to your keyboard and mouse with a smart design that helps keep you organized. EASY INTEGRATION: The Keyboard Tray attaches to coordinating Bush Business Furniture Desks (sold separately) for a convenient and ergonomic office solution. SMOOTH GLIDING: The under desk shelf extends and retracts smoothly for easy access to materials and the ability to tuck them away when not in use. A COMPLETE SOLUTION: Bush Business Furniture offers a wide array of furnishings for all offices, from a single remote workspace to a large corporate headquarters. TESTING AND WARRANTY: The Keyboard Shelf has been tested to meet or exceed ANSI/BIFMA quality standards and is backed by the Bush Business Furniture 10 Year Manufacturer's Warranty.