RDRW1900516BK1 is a rack-mount drawer enclosure assembly designed for secure equipment storage and cable management in standard 19-inch rack installations. The unit features a drawer body with integrated shroud, a key-lock mechanism with 7.5 mm nut, and a plastic handle for ergonomic operation. Dimensions measure 19.00 inches (483 mm) in width, with depth ranging from 16.10 to 21.88 inches (409 to 556 mm) and height of 17.36 inches (441 mm), providing substantial storage capacity. The assembly includes rear support brackets for stable mounting and features a cable pass-through opening in the rear panel for convenient wire routing. This drawer enclosure is ideal for data centers, server rooms, and telecommunications installations where organized equipment storage and security are essential.