• Brand Name | National
• UPC | 038613105270
• Country of Origin | USA

Box rail designed for doors weighing up to 450 Lb. per panel. 16-gauge galvanized steel rail bundled without fasteners or brackets. Can be used with various types of single and multiple brackets. Carefully formed to give an even tread to hanger wheels. Rail measures 2-1/4 In. x 1-3/4 In. WeatherGuard protection.