Enhanced Workspace: This foldable desktop extension board increases your workspace by extending the width of your desk. Ergonomic Design: The desk extender tray provides full support for your arms. Versatile Use: This table mount wrist rest shelf serves multiple purposes, ideal for printers, speakers, keyboards, or as an extra storage surface to keep your workspace organized. Materials: Constructed from steel and wood, this clamp-on keyboard tray ensures durability and stability while blending seamlessly with any office or home decor. Easy Installation: Designed for convenience, this foldable keyboard tray requires no drilling for installation, making it suitable for use in offices or dormitories. Specification: Size: 17.5 cm x 25 cm (6.89 inches x 9.84 inches) Package Includes: 1 Desk Extender Tray Note: Please allow slight variations of 12 cm (0.390.79 inches) due to manual measurement.