This 1U vented server rack shelf is compatible with any 19-inch server rack, bracket or cabinet for kinds of IT, network and other equipment. ^^ With 2.0 mm thickness metal, assure the sturdy and durability. It could hold25kgs weight. ^^ It is a perfect rack shelf solution for many equipment. ^^ The vented shelf design improve airflow to maintain your equipment efficiency. ^^ 1U height, 10" ( 25.4 mm) deep, including screws & cage nuts