Diamond Back Light Truck is a product line with European hoop style and is specifically designed for use on light trucks, SUVs, vans and RVs. Being constructed of durable alloy steel with a square link design the product provides you with smooth rides and maximum tire coverage. It is suitable for snow / ice covered road use only and features pull chain tightening system for remarkably quick and easy installation. In addition to that is meets the Class U & W from SAE traction device standards. Product Features:TIRE SIZE: 275/65-20, 275/70-18, 285/40-24, 285/50-22, 285/55-20, 285/60-20, 285/65-20, 285/70-18, 285/75-17, 285/75-18, 295/40-24, 295/65-18, 295/70-17, 295/70-18, 305/35-24, 305/45-22, 305/50-20, 305/55-20TIRE SIZE: 305/60-18, 305/65-17, 305/70-16, 305/70-17, 315/70-17, 315/75-16, 325/60-18, 33X12.50-15, 33X12.50-16.5, 33X12.50-17, 33X12.50-18, 33X12.50-20SAE Class U & WEuropean Hoop Style Diamond Back ChainEngineered For Use On Light Trucks / SUVs / Vans / RVsFeatures Pull Chain Tightening SystemSquare Link Alloy Steel ConstructionOffers Smooth RidesProvides Maximum Tire CoverageRemarkably Quick And Easy Installation