Grizzlar GDP-265 Diamond Alloy Tire Chains 265/60-18 265/70-17 265/70-16 265/65-17 LT265/70-17 265/75-16 LT265/75-16 255/55-20 255/50-21 10-17.5 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.