Grizzlar GDP-255 Diamond Alloy Tire Chains 255/70-16 245/55-19 265/75-15 255/55-18 255/50-19 275/50-19 255/60-17 255/60-18 31x10.50-15LT Diamond style for even and continuous traction and braking performance. Easy installation. D-profile links for improved grip. Manganese steel for long durablilty. Compatible with ABS and other electronic traction control systems. Sold in pairs.