Our single-mount chains has a cam design and meets the Class U & W from SAE traction device standards. Product Features:TIRE SIZE: 255/80-17, 255/85-17, 265/70-19.5, 265/75-19.5, 275/70-19.5, 7.50-20, 8-22.5, 9.00-15Highway Service Single Mount Cam Style Chain
