Sea Dog Marine's Aluminum Cleat Weld-On, 8" (046048). They can be used as dock ties to tie up small boats, canoes, kayaks, jet skis, and sailboats and are perfect for hanging boat fenders. Cleats are professional-grade open-based cleats that are great for use on boat docks, decks, and piers. They are well-made to withstand the weather, freshwater, and saltwater; they will hold up for years in that harsh environment. Key Features: These Weldable Cleats work great for long-term installations on docks, boats, and other metal surfaces. Aluminum has been cast in the sand for optimal durability and corrosion resistance. Made of high-quality T316 marine-grade stainless steel, appropriate for stormy seas. Heavy-duty, rust-free, and waterproof Well, it is constructed with a high-quality polished mirror-like surface that complements kayaks, jet skis, docks, and other watercraft. More stable than cleats with two holes, the heavy-duty open base has four holes. Adaptable to the pool, beach, and nautical themes in home d cor. They can serve as coat hangers, towel racks, and cabinet knobs. Specifications: SKU:3-046048 UPC:35514046114 Weight:0.55 LBS Unit of Measure: EA Manufacturer Part Number (MPN):046048 These Weldable Cleats are great for permanent installations on aluminum docks, vessels, or other aluminum surfaces. Constructed of sand cast aluminum construction for maximum corrosion resistance and durability.