This Multinautic Deluxe Mooring Kit includes (2x) 8 in. Marine Grade Aluminum Cleats (15110) and (2x) 3/8 in. x 15 ft Marine Grade Pre Spliced Double Braided Nylon Dock Lines (34901). The cleats can be installed on any wood dock with the Cleat Reinforcement (15011) and the Bolt Kit (10200), but they are specially designed to fit the Twintrack and Unitrack Multinautic Aluminum Dock rail system with its (4x) Stainless Steel T Bolts (22050) kit, they will give you an easy quick slide to the exact location you need them to be. These High Profile Unique Cleats with a 30 degree angle protect the Hull of your boat and they have a large center opening for easy rope insert. They are sturdy and durable and have a great clean look. This Kit can accommodate Boats up to 20 feet.