The Webb 16.5" x 5" Outboard Mount Balanced Brake Drum has become the heavy duty truck industry’s standard for quality wheel end equipment. This brake drum offers long service life and durability thanks to top-of-the-line cast iron. Undergoing rigorous testing in an ISO9001 certified plant with world class quality management systems, this heavy duty brake drum maintains maximum brake performance of your truck. Being designed, cast and machined to all applicable industry standards, you can expect extended durability and great heat dissipation throughout the long lasting life of this brake drum. FleetPride is your First Click in Heavy Duty®.