featureAdjustable, wear-resistant and dirt-resistant, easy to clean, curved design, prevent scratches, easy to install, no need to drill, just tighten the screws.SpecificationName: Keyboard Tray/Under Desk ExtenderMaterial: SteelSize: 640*240*16mmSuitable for desktop thickness: 1-6cmInclination range: up 15°, down 35°Up and down range: 16mmPackage includes1*Keyboard TraynotesThe dimensions are all measured by hand, there is a slight error, please refer to the actual product. Slight chromatic aberration and errors are inevitable due to shooting angle, light and display.