The V-Steel High Speed Service (VHS/ VHS2) is a radial tire for mobile crane, port and industrial operations. This tire provides excellent traction and flotation with specially designed heat resistant compounds. U.S. DOT Certified Available in 51 Inch sizes for coal haulers in high TKP operations Small Tube Type, Small Tubeless, Giant Tubeless | Premium Radial Tire | E-2, MC (Mobile Crane)