The heavy duty single-mount cross chain features extra heavy hooks and meets the Class U & W from SAE traction device standards. Product Features:TIRE SIZE: 255/70-17, 265/70-19.5, 275/60-20, 275/70-17.5, 285/70-17, 285/75-16, 295/75-16, 305/45-22, 305/50-20, 305/70-16SAE Class U & WHeavy Duty Cross ChainFeatures Extra Heavy HooksSingle Mount
