The Extron 60-1251-20 HRU 109 1U Universal Half-Rack Shelf Kit Mounting Bracket is a versatile rack-mounted shelf system designed for holding and organizing networking equipment. With a rack unit height of 1U and a width of 19 inches, this shelf kit includes two side panels and is made in the United States by the reputable brand Extron. It offers a secure and sturdy mounting solution for servers, networking equipment, and other IT components in a professional data center environment.