Description: Size: This computer keyboard tray is designed to fit most standard desks and provides ample space for your keyboardQuality Material: Keyboard Drawer Under Desk is made from premium ABS material with metal track that ensures durability and longevity. It is sturdy enough to support your keyboard securelyFunctionality: Desk Drawer Keyboard Tray is designed to provide an ergonomic typing position when using your computerEasy Installation: The included guide rail allows for easy installation under your desk, turning any workspace into an efficient workstationEnlarged:Can accommodate keyboards of various specifications, mouse tray can rotate 360. The table for installing the keyboard cannot be less than 40 x 60 cm Specification: Material: ABS, Metal Size Chart: Without rails: 55cmx27.5cm/21.65inchx10.83inchWith rails:58cmx41cm/22.83inchx16.14inchKeyboard area:48cmx20cm/18.90inchx7.87inchMouse Platform:16cmx20cm/6.30inchx7.87inch Package Includes: 1 Keyboard Tray Under Desk withMouse Platform Note: Please allow slightly errors due to manual measurement and different monitors.