"- Heavy-duty, folding 6"" truss frames and legs accommodate virtually any size. - Welded 1"" aluminum tubing forms a sturdy yet lightweight 6"" x 1"" truss member for frame and legs. - Frames bolt together with ""speedy cranks"" to allow easy ""set up"" and ""tear down"" without tools. - All components fit into durable carrying cases for convenient transport and storage. - Front and rear projection screen surfaces can be interchanged at any time. - Screen can be adjusted up or down in 6"" increments. - Includes rugged polyethylene carrying cases."