SandShark Ultimate XL Anchor – Heavy-Duty 3’–5’ Auger Anchor for Boats, Pontoons & TritoonsThe SandShark Ultimate XL Anchor is the strongest and longest anchor in the SandShark lineup designed specifically for full size boats, pontoons, and tritoons. Engineered from stainless steel and aircraft grade aluminum, this beast extends up to 5 feet and screws securely into the lake or ocean bottom to keep your boat locked in tight, even in choppy conditions or with multiple craft tied off. Whether youre rafting up at the party cove or anchoring