When you spend a lot of time behind the wheel, the quality and comfort of the drive matters. Nitto engineered the Dura Grappler ® highway terrain tire for onroad comfort and longevity. The tire is suitable for a wide variety of light trucks, and SUVs and the tread patterns are tailored for each: SUV sizes are offered in a quiet 5-rib design while heavy-duty truck sizes are offered in a durable 4-rib desigN.