Our single-mount chains has a cam design and meets the Class U & W from SAE traction device standards. Product Features:TIRE SIZE: 215/80-17, 225/60-19, 225/70-18, 225/85-16, 235/70-17.5, 235/70-18, 235/80-17, 235/85-16, 235/85-17, 245/75-16, 255/70-16, 265/70-15, 7.50-16, 8-19.5, 9.50-16.5SAE Class U & WCam StyleSingle Mount
