VIVO Large Clamp-on 27 (33 Including Clamps) x 11 inch Computer Keyboard and Mouse Tray with 12 Setting Swinging Height Adjustment, Platform Drawer for Typing, Black, MOUNT-KB08V

Swing Design for Comfortable Typing Angles: Move the tray forward or backward a total of 8.6" to find the most comfortable typing angle. The total swinging range is 165° and operates without the use of tools Height Adjustment: Adjust the distance between your tray and the desktop (2" to 6.5") with the simple 12-step locking system. This encourages ergonomic posture and accommodates thicker table tops Weight Compatibility: The tray weighs 9 lbs and can hold up to 11 lbs. Please make sure your desk can support this weight before purchasing Simple Assembly Process: Hardware and instructions are provided for fast and easy assembly, and the heavy-duty C-clamps attach to desktops up to 1.75” in thickness without causing any damage to your table surface