Holds LAN equipment in one organized work-center. Wire construction promotes air circulation and prevents dust build-up. 69"H LAN Shelving comes with four shelves. LAN units come with one slide-out keyboard shelf with wrist rest, (for keyboards up to 23"W x 11"D). Four 5" polyurethane swivel casters (two with brakes) for complete mobility. Chrome plating process consists of electro-plated nickel-chrome resulting in a brilliant high gloss finish. Easy assembly. Limited One Year Warranty in dry application and usage.