O-SCALE PENN-OHIO SINGLE CONCRETE PORTAL - This "antique" single concrete portal represents the "old-fashioned" method by which wood was used as the framing material for precast and cast vertical concrete. Made of light density foam. Easy to cut. Easy to alter and detail. Factory gray primer finish. Measures 8-1/2" wide x 8-3/4" high x 1/2" thick. Opening: 4-1/4" wide x 6-1/4" high. Weathering recommended.