Brand: Gripmax Model: MaxGrip R/T+ Size: 275-55R20 275/55-20 275/55R20 275/55/20 275-55-20 275 55 20 2755520 Tread Depth: N/A Treadlife: 55,000 miles Season: All Season Performance: Rugged Terrain Car Type: Truck/SUV Load and Speed Rating: 117T Speed Rating Description: Speed Rated Up to 118 mph Section Width: 275 Aspect Ratio: 55 Rim Diameter: 20 Production Year (DOT): N/A