Grizzlars Square Rod Alloy CAM tire chains are made with square rod alloy links of 7 to 8 mm thickness (depending on the part number). They are designed for highway and light off-road use. The CAM tensioner allows easy tensioning. Packaging: cotton bags. Fits: 10.00-20, 11-22.5, 285/70-24.5, 10.00/90-20, 13/80-20, 275/80-22.5, 305/70-22.5. For a complete application list: see pictures.