Diamond Back Lightweight is a product line with European hoop style that is specifically designed to be lighter and therefore easier for handling. Being constructed of durable alloy steel with a square link design the product provides smooth rides and maximum tire coverage. It is suitable for snow / ice covered road use only and features rubber adjuster tightening system for remarkably quick and easy installation. In addition to that it also meets the Class S from SAE traction device standards. Product Features:TIRE SIZE: 12-16.5, 255/65-19, 255/70-18, 255/75-15, 255/75-17, 265/45-22, 265/50-20, 265/65-18, 275/55-19, 275/60-18, 285/35-22, 285/40-22, 285/55-18, 285/60-17, 285/60-18, 285/70-19.5, 295/45-20, 305/85-16, 32X11.50-16.5SAE Class SLight Weight European Hoop Style Diamond Back ChainFor Snow / Ice Covered Road Use OnlyFeatures Rubber Adjuster Tightening SystemSquare Link Alloy Steel ConstructionOffers Smooth RidesProvides Maximum Tire CoverageLess Weight Resulting In Easier HandlingRemarkably Quick And Easy Installation