Description: Mount Bracket: DIY bracket for desk keyboard tray, desk extender tray, desktop computer stand, desk desktop shelf, slide out keyboard holder, under desk shelf, etc. (Only bracket, NOT including tray or shelf)Comfortable to Use: The desktop computer stand bracket set can help provide stable armrest support, and improve work comfort, suitable for people who have used computers for a long time.Premium Material: The keyboard tray bracket set is made of premium iron material, high hardness, wear resistant, sturdy, and ensures a long time to use.Easy Installation: The computer extension desk support holder set adopts adjustable C shaped clamps, easy to install without punch and drilling, suitable for different desktop thicknesses.Space Saving: Foldable desk extender tray mounting bracket set, can be folded and stored to save space when not in use, convenient and fast. Specification: Product size: Clamp width 9cm/3.54inchMaterial: iron Package Includes: 1Keyboard Tray Bracket Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.