Rounded Corners - Keyboard Tray (Desktop Extender), specially designed for workers who use computers for a long time, installed under the desktop, saving desktop space and improving work efficiency.Height adjustableAdjust height as needed. 5 holes adjustable (5.5cm~8.5cm), height adjustment range helps ergonomic shoulder, elbow and wrist positioning, comfortable working condition and easy to use.Material: Metal rail + wooden pallet (3 sizes, 5 colors)Size: (Due to manual measurement, the error range is 1-2cm)54 × 27 cm60 × 27 cm70 × 27 cmThickness: 1.6cmTake a standard keyboard (45cm) as an example, the 54cm tray can only hold the keyboard, the 60cm tray can hold the keyboard and mouse, but the space is not enough, the 70cm tray has plenty of spacePackage: 1x tray, 1 pair of slide rails, 5 hole lugs x 4, 16x screws (1.1cm)Complete accessories, simple installation, 10 minutes to complete the installation.✉✉✉Warm reminder:1. Colors may vary by monitor, please understand.2. The size of the product is measured by hand, there is a certain error, please refer to the actual product.3. If you have any questions, please contact us by email, we will reply you within 24 hours.