Ironhead IDL300-FS is a drive position truck tire made for line-haul applications. It features a closed shoulder block design with an extra-wide 30/32nds tread depth that extends tread life and offers an exceptional cost per mile. Solid shoulder ribs and extra-wide tread footprint provide superior stability and resistance to uneven wear, while three rows of aggressive tread blocks offer excellent traction and resistance to tread squirm. SmartWay verified technology of IDL300-FS improves fuel efficiency by 3 percent or more, which makes it a more environmentally friendly tire. This tire is a perfect fit for line haul trucks, regional trucks, pick-up & delivery trucks.