Our single-mount chains has a cam design and meets the Class U & W from SAE traction device standards. Product Features:TIRE SIZE: 205/75-16, 215/70-16, 215/75-14, 215/75-15, 215/75-16, 225/70-15, 225/75-15, 235/65-16, 235/70-15, 27X8.50-14, 27X9.50-14, 305/50-15SAE Class U & WCam StyleSingle Mount
