Accessories Included: gloves, kneeling mat, mounting instructions, spare parts Material: [chain] hardened manganese nickel steel alloy, [reinforcements] nylon (anti-scratch) Recommended Use: driving up the side of a snowy mountain Manufacturer Warranty: lifetime Number Included: 2 Don't struggle to keep your rig on the road, and don't struggle to install tire chains any more. The simple to install, self centering and tensioning Thule XG-12 Pro Snow Chains for SUVs and Light Trucks will have you quickly and confidently traversing slick snow-covered passes.