Lewmar Horizon Anchor Rodes are designed to fit Lewmar windlass gypsies sized to G4 chain link. All rodes feature ACCO Hi-Test hot-dipped galvanized chain for optimum corrosion resistance and strength. Chain is spliced to line, 3-strand windlass grade nylon twist, chemically treated to remain flexible after constant exposure to salt water and sun. Each anchor rode comes with a shackle to attach the chain to the anchor. Chain diameter is 1/4 or 5/16 inch.