Chief FCA801 monitor mount accessory14" Above Below Shelf for Large Displays, Black Install these accessories to apply AV components or video conferencing equipment with your display. The following accessories are compatible with all Fusion Series mounts. Carts Stands Ceiling Wall Features 14" wide shelf sits about or below display to hold AV components Lip on end of shelf prevents components from sliding off Extension range 12. 9 19. 2" from center of TV to shelf Height adjustable for