The diamond pattern design on this light truck tire chain helps keep more of the chain between the ground and the tire for added traction and a smooth quieter ride. Sold as a pair. NOTE: Not intended for use on trailersSnow/Ice covered highway use onlyFits Tire Sizes: 275/60-17, 255/65-15, 285/70-15, 245/85-15, 265/70-16, 245/75-16, 205/75-17.5, 285/50-18, 285/45-19, 255/50-19, 31x11.50-15, 31x11.50-16.5, 275/60-18, 325/70-17, 295/45-18, 31x10.50-15, 265/50-19, 265/70-19.5 | Quality Chain Corp Light Truck Diamond Back Square Link Tire Chains 2529Q