Diamond Back Passenger Link Chain is a product with premium European construction design that features with an inside fastener. The chain has a unique square link construction with a diamond pattern. That provides you with excellent traction and offers you a smooth ride and remarkably long wear. The product is made for use on snow /ice covered roads only and meets the Class S from SAE traction device standards. Product Features:TIRE SIZE: 205/75-16, 215/65-16, 215/70-15, 215/70-16, 215/75-15, 225/35-20, 225/45-18, 225/45-19, 225/55-17, 225/60-16, 225/75-14, 235/35-20, 235/50-17, 235/60-15, 235/60-16, 235/70-14, 245/30-20, 245/35-19TIRE SIZE: 245/35-20, 245/40-18, 245/45-18, 255/35-18, 255/35-19, 255/60-14, 265/30-19, 265/35-18, 265/40-17, 275/35-18SAE Class SPremium European Design Tire ChainFor Snow / Ice Covered Road Use OnlyFeatures Inside FastenerSquare Link Alloy ConstructionOffers Smooth RidesProvides Longer WearGives Better Traction