I know Punch-free Large Keyboard TrayErgonomic Clamp Mount Under Desk Mount Slide Tray with Slide-Out Platform Computer Drawer for Typing and Mouse Work

【Large and Perfect Size】Full size keyboard with surface fit all sizes of the keyboard, mouse, and all your extra. PLEASE NOTE: Please choose to buy according to the information on the picture, make sure that the table has enough space, and the keyboard rack you bought is the size that fits your table

【Fits Most Desks 】Suitable for tables of different thickness, the hardware clip can be adjusted to 0-5/0-8cm height.

【Ergonomic Smooth Gliding Tray】Easily slide the tray in and out of the way when not in use. When you need the extra space simply pull out the keyboard tray and start using it instantly.Extractable distance 25cm.

【Easy Installation】All necessary hardware and instructions are provided for assembly, and mounting your keyboard tray to the desk is an easy process with the adjustable clamps. The tray holds weights up to 25kg