Protect the bottom of your sled-style shelter with this Clam Runner Kit. Durable Runner Kit fits Clam Nanook XL Ice Shelters and is designed specifically to increase the life of your sled by protecting it from ice, hard snow, and other debris. Plus, it even reduces friction and drag, making it easier to pull your sled out to your favorite hot spot. Quick and easy to install Reduces wear and tear on your tub and shelter Ensures smoother, quieter running Reduces friction and drag on the ice for smooth pulling Fits any Clam Nanook XL and Nanook XL Thermal ice shelter Order today!