Duro Di2019 Scorcher Tires Duro's Scorcher Tires feature large, square tread blocks are strategically engineered to provide maximum contact, for enhanced cornering grip. Directional grooves evacuate water on hard and paved surfaces. Features: Designed for high speed stability The large contact patch improves control and handling on dry, paved and hard pack surfaces Deep tread grooves improve water evacuation on hard terrain 4 ply construction (unless specified) Not DOT approved For off highway use only