Bretford Adjustable Projector Cart, 32-Inch by 24-Inch by 42-Inch, Black Adjustable projector cart includes a 14" deep pullout notebook shelf on smooth rolling glides to fully integrate all your equipment on one cart Top shelf supports a projector or monitor up to 20" while lower shelves accommodate a DVD player, scanner, speakers, or other equipment Projector cart quickly and easily adjusts to five different heights from 26" to 42" high in 4" increments by simply resetting four screws