1.【WIDE APPLICATIONS】: whether as a keyboard tray or drawer storage box, it can be installed in the office, bedroom, kitchen, garage, study, etc. Not only the keyboard but also the tools can be stored, which is an ideal storage choice. 2.【All-Metal MATERIAL】: Made of metal material, not easy to damage. The black design adds a high-end feel to your living environment and is equipped with height-adjustable slides for smooth operation and suitable for most people's needs. The maximum load is 50 pounds. 3.【INCREASE STORAGE SPACE】: The tray dimension: 29.13" L x 12.91" W x 1.06" H, which can accommodate different specifications of keyboard , office supplies，school things， eraser and other tools to make more space for the desktop, which can reduce clutter. 4.【EASY TO INSTALL】: All necessary hardware and installation instructions are provided in the package. There are two sizes of adjustable height brackets in the package, which meet the needs of most people. Height adjustable range from bottom of desk to bottom of keyboard tray: 2.36 inches(60mm) to 4.72 inches(120mm) 5. Our mission is to always provide the best service to our customers with industry’s leading prices. If you have any question, please do not hesitate to contact us and we will spare no effort to resolve your problem. Every detail is designed and made by our store. After a long period of investigation and research, combined with actual needs, a large-sized tray was created. Not only can it be used as an office tool to store office supplies, but it can also be used in homes, garages, and bedrooms to store daily tools, avoiding the single application of tray.