Brand: Roadmaster Model: RM170+ Size: 265-70R19.5 265/70-19.5 265/70R19.5 265/70/19.5 265-70-19.5 265 70 19.5 2657019.5 Tread Depth: 17/32 Treadlife: N/A Season: All Season Performance: Highway Car Type: Commercial Load and Speed Rating: 137/134L Speed Rating Description: Speed Rated Up to 75 mph Section Width: 265 Aspect Ratio: 70 Rim Diameter: 19.5 Production Year (DOT): N/A