The Walthers Cornerstone HO Scale Industrial Tanks Detail Set is based on general- purpose tanks used at all kinds of industries. These easy-to build tanks feature plastic parts molded in a realistic base color. The kit includes three horizontal and three vertical tanks of varying sizes. Use the Industrial Tanks Detail Set out along alleys, on rooftops and wherever your Cornerstone HO Scale industrial buildings need tanks. HO Scale industrial tanks in this set also work for detailing buildings in O and S Scale scenes. Great detail for industrial complexes, railroad shops and more Two large-capacity horizontal storage tanks with concrete supports Large and small elevated vertical steel tanks Large and small vertical steel tanks without bases Easy-to-build plastic kit Molded in appropriate base color