The QR40-ST from Gladiator is an all-position tire that's ideal for use on the steer axle of semi-trucks in highway applications and offers drivers better traction and stability plus enhanced resistance to irregular wear. The steel belts of the QR40-ST enhance stability while also boosting toughness and promoting uniform wear for a longer service life, and the tire's 5-rib tread design works with the siping to fight off irregular wear for a longer service life.