Product Details: Keeping you Ready for the Road Ahead™, the Webb 16.5" x 7"Balanced Brake Drum is made with excellent structure and soundness to deliver the best pound for pound brake drum in its class. This heavy duty brake drum replacement for your semi truck undergoes rigorous testing in an ISO9001 certified plant with world class quality management systems to ensure heavy duty 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®.