Compatible with all 19 racks and cabinets to hold various IT, network and other equipment. ^^ Disassembled Shelf allows you to assemble according to your different usage, and Lip can be upside / downside for meeting different functions. ^^ 1.2 mm Thick holding sides assure strength and Max loading weight capacity is 44 pounds, more than other cantilever rack shelves ^^ Disassembled structure decreasing damage of ears in transit ^^ 1U height, 8" (203mm) deep, including 4 x M6 screws & cage nuts, 4 x M5 screws & nuts ^^ 2 Pcs as a Set less the freight charge.