Want to use Heckler AV Cart or Heckler TV Stand. but your display does not have a VESA 400x400 mounting pattern? No problem. These strong. simple adapters do the trick. With these adapters you can mount displays with horizontal and vertical mounting holes spacing of 200. 300. 500. and 600 millimeters.Support A Wide Range of VESA DisplaysAV Cart was designed to support 400 x 400 VESA displays. and with VESA Adapter Kit. you can support so much more. From VESA 200 to VESA 600. you can equip AV Cart with smaller displays for personal huddle rooms. standard size displays for meeting rooms. or expansive displays for large conference rooms. Simple InstallationSeriously strong steel. dead simple installation. VESA Adapter Kit features installation hardware to reliably support your display. able to be installed without tools.Enable Heckler TV Stand to Pair Smaller VESA Displays with Component ShelfWhen mated with a Component Shelf. Heckler TV Stand restricts display use to VESA 400 and higher. VESA Adapter Kit allows you to use your Component Shelf with sub-VESA 400 displays.