Lewmar Stainless Steel Delta Anchor Lewmar has been manufacturing products since 1946 to help make spending time out on the water as stress-free as possible. They are committed to implementing the latest advances in technology for their marine products. Their line of Delta Anchors is designed to set fast and have high holding power in all water conditions. Manufactured with high-grade manganese steel, the Lewmar Delta anchor offers durability and strength not matched by other anchors on the mark