The Hyfax Runner Kit extends the life of your portable ice fishing shelter base by taking the impact from pavement, rocks and ice. When bolted to the base, the Hyfax Runner will provide a smooth, durable surface to run against, providing easier towing. Attaches to all Citadel and Predator Side-Step shelter bases. Can be easily trimmed to fit to your shelter. Kit includes 4 strips and mounting hardware.