Polyform 17" CM Mooring Buoy w/Galvanized Iron - White Blue Stripe [CM-3 WHITE W/STRIP]17" CM Mooring Buoy w Galvanized Iron White Blue Stripe The CM Series Mooring Buoy has been designed to provide the ultimate in strength, durability and boat protection, giving increased security to any mooring. With two versions of mooring iron one from galvanized steel with a protective vinyl coated eye, and the other from durable stainless steel (SS). To provide strength and security, each version features a 1 2 inch central rod, a large eye (4 3 8