The Hercules Strong Guard ST is a radial trailer tire that offers towing with confidence and reliability plus even pressure distribution for a longer tread life and even wear under heavy loads. Built with a tough tread and high tensile steel belts that reinforced with 2 nylon cap plies, the Strong Guard ST provides durability and dependability when towing heavy loads. Coolcours technology maintains operating temperature to reduce heat generation and enhance performance at high speeds, and the Strong Guard ST also has a built-in curb guard that provides extra sidewall protection for all the unexpected tight turns.