The sturdy, 42U open frame 4 post rack mount from V7 is a flexible solution to store your servers, network and telecommunications equipment. All posts allow front and rear mounting for versatility and ease of use. The rack features adjustable depth, numbered U positions and square rack holes for easy installation of rack equipment. The open frame design of the rack is perfect for unrestricted Air flow and makes equipment installation and maintenance access easy. Additionally, optional vertical cable managers are included for a professional, streamlined appearance. This durable 4 post rack is made from high-grade, cold-rolled steel, is easy to assemble and is backed by a 5 Year Warranty.