Our single-mount chains has a cam design and meets the Class U & W from SAE traction device standards. Product Features:TIRE SIZE: 205/80-16, 215/75-17.5, 225/55-18, 225/55-19, 225/55-20, 225/60-18, 225/65-18, 235/55-18, 235/60-18, 235/65-17, 235/65-18, 235/70-16, 245/45-20, 245/50-19, 245/55-18, 245/60-17, 245/60-18, 245/65-16TIRE SIZE: 245/65-17, 245/70-15, 245/70-16, 245/75-15, 255/35-22, 255/45-20, 255/50-19, 255/55-18, 255/60-16, 255/60-17, 255/65-15, 255/65-16, 255/70-15, 265/35-22, 265/55-16, 265/65-16, 275/45-18, 275/45-19TIRE SIZE: 275/45-20, 275/55-16, 275/60-15, 27X9.50-15, 29X9.50-14, 29X9.50-15, 29X9.50-16, 30X9.50-15, 30X9.50-16.5SAE Class U & WCam StyleSingle Mount
