Durable: 4U vertical server rack is made of high-quality cold-rolled steel with black powder coating. Max weight capacity 60 Lbs Versatile: Fits standard 19" IT equipment, servers and routers, cable modems, telecom and A/V devices. Adjustable mounting depths Space-Efficient: Wall-mountable networking rack saves space;can be installed vertically or horizontally Ventilation: Adjustable network rack with vented slots to promote aircirculation, keeping IT, A/V devices cool Hassle-Free Installation: 4U network enclosure ships fully assembled. Includes 16 sets of cage nuts for trouble-free equipment mounting