Heavy Duty & Extra Heavy Duty by Philip Marano Sep 2, 2019 0 239 **Discover a Wide Selection of Shelving ** Rack-King carries a selection of heavy duty and extra heavy duty industrial shelving systems in stock to accommodate the needs of our clients. These systems ... Extra Heavy Duty Racking Extra Heavy Duty Shelving Galvanized Heavy Duty Racking Heavy Duty Shelving industrial racking Industrial Shelving Read more