Mockett's Customizable Desktop Power and Data Center has inserts that can be swapped out for others for specific application needs. These replacements can be category 5E Data inserts or Cat 6 keystone jacks, even USB inserts for audio/video connections. Below, you will find all of the available Connectivity Inserts for the PCS1A Desk Outlet by Mockett. The above inserts are listed, and more: Cat.3 for voice and data, Coaxial, Blank (leaving the option for future upgrades), and of course, the original Customizable PDC Grommet can be found below as well.