Brand: Armstrong Model: Tru-Trac SU Size: 255-65R18 255/65-18 255/65R18 255/65/18 255-65-18 255 65 18 2556518 Tread Depth: 10/32 Treadlife: 65,000 miles Season: All Season Performance: Performance Car Type: Truck/SUV Load and Speed Rating: 111H Speed Rating Description: Speed Rated Up to 130 mph Section Width: 255 Aspect Ratio: 65 Rim Diameter: 18 Production Year (DOT): N/A