Gen3 Marine Heavy Duty Hollow Base Boat CleatDesigned to handle multiple dock lines and heavier loads, the Gen3 Heavy Duty Hollow Base Cleat is a great option for large recreational vessels and yachts. Suitable for fresh and saltwater applications, this cleat is made of corrosion-resistant 316 stainless steel. Heavy duty applications; 316 Stainless steel; Compatible in saltwater and freshwater environments;