The Nucleus-Z Explorer is an ergonomic desk that provides a built in second tier and two (2) four space rack units, as well as ample work area on the desktop surface. Built using powder coated medium density fibreboard, the Nucleus Z gives you an ample work space within a a compact (but not too small) frame. Sturdy, stylish, and perfect for when ambition exceeds the confines of your work space, the Nucleus-Z Explorer will change your work space for the better.