FOUR GRAY LAMINATE WORK SURFACES WITH STEEL FRAME SECOND SHELF FROM THE TOP IS ADJUSTABLE IN HEIGHT TO 33 37 OR 40 1 4 MEASURES 18 W X 30 D X 40 1 4 H CLEARANCE FROM BOTTOM TO MIDDLE SHELF IS 19 3 4 MIDDLE TO TOP SHELF 13 1 4 3 CASTERS TWO WITH LOCKING BRAKE INCLUDES LOCKING CABINET WITH INTERIOR DIMENSIONS OF 13 1 2 W x 18 3 4 H LUXOR PS4000C 4 Shelf Mobile Presentation Station with Cabinet Gray pack of 2