ALEKO Size 13 x 4 Snow Blower Chains Mud Chains Grip for Garden Tractors Extra Traction For Deep Snow and Ice. Prevents drive wheels from slipping. Easy to install and remove as needed Designed for deeper lug tires. Zinc-plated for long lasting performance Provide added traction on hills, ice and hard packed conditions. Offer a smoother ride vs. four-link spaced chains Fits tire size: 13 x 4 Includes: 2 Snow Blower Chains