Quality construction provides years of use for your team or league. Perfect for school fields, parks and sports complexes. Galvanized. Constructed of 10" wide non-skid aluminum planks. 2" x 2" galvanized steel rust-resistant legs. Available in portable or permanent models in 7.5', 15' or 21' lengths. 15' and 21' models ship freight. Legs must be spaced at least 8" from end of planks. made in the USA.