Includes all the goodies you need to rack 'em up: Entire 15U open frame rack structure, 4x leveling feet, 1x 1U vented shelf ( 15.12" deep), 1x 2U vented shelf (18" deep), and 25x rack mounting screws. Is it Christmas in here or is that just me? ^^ Open design and included vented shelves optimize air flow, keeping even today's hottest, high-end networking and AV components cool. ^^ Assembly is required, but it's simple. With all the included hardware & witty instructions, you'll have your rack ready for servers & networking gear in under 20 minutes. ^^ This rack's 20.40" deep design means it's perfect (and practically begging) for your networking, AV and rackmounted components up to 19" deep. ^^ It's ready to hang! (On the wall, we mean. ) Wall-mounted or standing strong on included leveling feet, this rack's versatile design is ready to take on your setup... whatever that may be.