Steel and lots of it highlight this 39″ x 54″ official size steel backboard… Superior front mount design • 12 ga. skin • 5″ x 5″ hole pattern • White powder-coated finish • Heavy-duty mounting support structure • Standard 20″ x 35″ fan-type backboard mounting holes • Heaviest backboard of its type • Official orange border and shooter’s square • Ten-year limited warranty.