Expertly designed for 19-inch network data center racks and IT server room cabinets, the SERRACK STV-HS 180 1U Vented Sliding Server Rack Shelf in black is crafted from durable 1311-grade galvanized material. This 1U shelf features a 40kg weight carrying capacity and precise measurements of 450mm width, 45mm height, and 800mm depth. Included in the package is a convenient 4-piece screw set for easy assembly.