Brand: TBB Model: TS-37 A/T Size: 255-50R18 255/50-18 255/50R18 255/50/18 255-50-18 255 50 18 2555018 Tread Depth: 13/32 Treadlife: 50,000 miles Season: All Season Performance: All Terrain Car Type: Truck/SUV Load and Speed Rating: 106H Speed Rating Description: Speed Rated Up to 130 mph Section Width: 255 Aspect Ratio: 50 Rim Diameter: 18 Production Year (DOT): N/A