Save Desk Space: This 26.8” x 11” ergonomic keyboard tray mounts under your desk, holding your keyboard, mouse, and other small accessories below the desktop for added workspace --Patent Pending-- Swing Design for Comfortable Typing Angles: Move the tray forward or backward a total of 8.6” to find the most comfortable typing angle. Total swinging range is 165° and operates without the use of tools. Both height and extension adjust simultaneously Height Adjustment: Adjust the distance between your tray and the desktop (2.2” 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 under-mounted weight before purchasing Simple Assembly Process: Mounting hardware is provided for fast and easy assembly and installation. The minimum recommended desktop thickness is 0.75”, and the mounting bracket requires 4” of clearance under your table surface ASIN B0BLT7PW8S Size 27 inch Brand VIVO Color Black Item Weight 8.25 pounds Manufacturer VIVO Material Type Particle Board, Steel Number of Items 1 Item model number MOUNT-KB08S Product Dimensions 26.8 x 11 x 0.6 inches Manufacturer Part Number MOUNT-KB08S