NavePoint Laptop Notebook C-Clamp Desk Stand Mount With Fully Adjustable Extension Arm Black Laptop can be raised to free up desk space and easily positioned for comfort and funcitonality. The arm extends up to 22 2/5" (570mm) length while LCD monitor arm extends up to 17 3/8" (440mm) length. 11.75 inch by 11.75 inch platform supports most standard laptops. Install quickly with a heavy duty c-clamp which can accommodate 3 1/8 inch thick surfaces. Package weights 10.5 pounds and contains all hardware necessary for desktop mounting. Laptop not included.