Products The Original Rocna The Rocna Anchor is a true multi-purpose anchor that sets and holds in most seabeds, from soft mud to hard sand, clay, grass, and kelp. Rocna Fisherman A specialist anchor for fishermen and divers who run an increased risk of getting their anchor stuck on an undersea obstacle. The Vulcan Carefully designed to offer the greatest possible compatibility across a wider range of vessel bow configurations. Anchors for Powerboats Anchors that are carefully designed to offer the greatest possible compatibility across a wider range of vessel bow configurations, particularly powerboats with a bow pulpit. Rocna Workboat The heavy-duty construction on the Rocna anchor is attained through clever design and the use of high-quality steel.