The CM-Series Mooring Buoy has been designed to provide the ultimate in strength, durability and boat protection, giving increased security to any mooring. Made with a galvanized steel mooring iron with a protective vinyl-coated eye. To provide strength and security, each version features a 1/2-inch central rod, a large eye (4-3/8 inch diameter), and a swivel (1-1/2 inch wide). The CM-Series is a long tested standard in mooring buoy design and is preferred by many boaters worldwide. The CM is available in two color versions: red, or white with a blue stripe.