Atlas Industries modular As4 system is a wall mounted re-configurable shelving system. It comprises a wide range of components that allow you to create configurations tailored perfectly to your needs. The as4 system offers the type of versatility typically associated with custom designed built-ins, but with the benefits of being expandable, reconfigurable, and portable. The as4 system provides much more than a basket of options. It is handmade furniture finely crafted from real materials: solid steel and solid hardwoods. The detailing is refined, the design is timeless, the result is furniture with presence. This is an example of a wall-mounted credenza configuration made from lower cabinets and drawers. Shown in solid walnut and cold-rolled steel. available in solid walnut, white oak, cherry, maple or opaque lacquer. Customizations welcome.