Still in package (unopened) SnowStuds RM4204 Sport Series Carbide Runners, measuring 4 inches by 60 degrees. These runners are designed for optimal performance on snowmobile trails and are made with high-quality materials to ensure durability and longevity. The brand Snowstuds is well-known in the snowmobile industry for their top-quality products, and these runners are no exception. They are compatible with a wide range of snowmobiles and are easy to install. Don't miss out on the opportunity to upgrade your snowmobile with these reliable and efficient SnowStuds RM4204 Sport Series Carbide Runners.