Bridgestone Dueler A/T RH-S All-Season Radial Tire - 255/70R18 112S Aggressive off-shoulder tread blocks bite the road in mud and snow All-season tread design with open-slotted shoulders provides ideal year-round performance CO-CS (Computer Optimized Component System) combines tread design, materials, and construction to create optimal tire performance L.L. Carbon (Long Link) resists cracking and tearing and improves tread wear and tire life