Save Desk Space: This 20' (26' including clamps) x 11' under-desk keyboard tray is designed to hold weights up to 11 lbs, providing excellent support for your small keyboard and mouse -Patent Pending- Comfortable Typing Angles: Easily slide the tray in and out and enjoy ergonomic typing angles that relieve stress on your wrists and shoulders. The tray extends a maximum of 9.5' from the edge of your desk