Keyboard Tray Under Desk Slide-Out Keyboard Drawers Keyboard Platforms Mouse Keyboard Sliding Tray Computer Desk Extender for Typing WorkstationWhether it's a messy desk or sore wrists at the end of a long workday, this ergonomic keyboard tray is the answer to your office woes.The keyboard tray has a sturdy construction with smooth ball slide rails, trays made of natural wood and rails made of cold rolled steel. The maximum weight is 25kg, which can place small objects such as keyboard and mouseFeatures:1. Smooth rails:Smooth slide rails make it easy to pull out and slide in. When the keyboard is not in use, it is hidden under the desk, making daily work more convenient.2. Ergonomic comfort:The computer armrest bracket is ergonomically designed to lower your keyboard and mouse to the height of the chair armrest, improving comfort and reducing muscle fatigue and strain3. Handle design:Curved handle design, easy to move the mouse,Effectively reduce the fatigue of the wrist area.4. Rounded corner design:The corners of the keyboard tray are rounded to prevent scratches.5. Height adjustable desk extender. Height adjustable range: 5.5 - 8.5 cm.