This Danielson Rocking 30 Lb. Anchor is specially designed to keep your watercraft where it belongs. This rocking anchor will dig into a rocky lake or river bottom but also has a break-loose function to ensure you can easily bring it up and store it safely. Ideal for the Pacific Northwest or any other locations with strong current conditions. This anchor will protect your boat from drifting. The galvanized anchor is made of high-grade steel and is corrosion resistant for long-lasting use.