Space-saving vertical filing system consists of a wall-mounted steel frame supporting 12 pivoting brackets that swing freely to allow visibility and easy access to hundreds of active documents. Designed to be interchangeable with systems from other manufacturers. Holds 12 blueprint clamps (sold separately). Weight 18 lbs. Pivot-lock feature: unique grooves in bottom plate keep pivot brackets straight and square with unwanted swing, yet release effortlessly with no complicated mechanism. Industrial strength construction, 240 lb. capacity. Fits clamp sizes 18", 24", 30", 36", and 42". Attaches to wall at desired height; requires mounting directly to studs or solid surface. Durable powder-coated finish in barley color. Multi-lingual packaging and instructions in English, French, and Spanish. Limited lifetime warranty.