Please note: The above picture is shown for illustration purposes only. The pole is not included and must be purchased separately. Two versions are available, a450mm Desk Clamp Poleand a700mm Desk Clamp Pole. See below for typical installation examples.... These Dual Adjustable LCD Arms are part of our unique, Modular Desktop Mounting System. With this system you can easily create customized solutions for mounting your laptops and displays in a variety of different configurations. Installation Examples The LINDY Modular Desktop Mounting System provides a really versatile method for creating your own custom installations. With these products you can raise your notebooks or monitors to create desk space or provide a more comfortable viewing position. Or, by using several arms, you can mount multiple displays on a single pole. If you want you\'re LCD on a more fixed display use a LCD Bracket. For a flexible single LCD display use a Adjustable LCD Arm. Add an additional Adjustable Notebook Arm to display a notebook or laptop. Two screens mounted vertically on a 700mm Desk Clamp Pole using twoLCD Brackets A single display mounted on an Adjustable LCD Arm Adjustable Notebook Arm combined with an Adjustable LCD Arm on a 700mm Desk Clamp Pole