Stay organized and efficient in the office with the AdirOffice Expandable Mobile Plan Center for Blueprints. For quick access, hanging blueprint storage, just clamp your files into hanging paper clamps and drop them into the top bracket. Designed for blueprints, plan drawings, maps and other large-format documents. Made of heavy-gauge steel with a 360 lb weight capacity, this rack can hold up to 1,800 documents at once. With its durable construction and powder-coated finish, you can be certain that it will provide long-lasting strength and use for years to come. For added convenience, this blueprint rack is adjustable to accommodate your largest files. The bracket accommodates 18 clamps and can be adjusted to fit paper clamps that are 24", 30", 36" or 42". Only one size of hanging clamps can be placed into this mobile blueprint stand at any one time. An ingenious solution to the difficulties of moving documents, this mobile plan center works equally well in harsh environments, such as construction sites, and soft settings, such as modern offices. Four swivel casters, two of which brake for control of movement and to keep the rack stable when you get to your destination, let you move this much weight with ease.