CM & CC SERIES MOORING BUOY A mooring buoy doesn't have to be hard to be durable. CC Series Buoy A versatile buoy with reliable performance. The CM Series Mooring Buoy has been designed to provide the ultimate in strength, durability and boat protection, giving increased security to any mooring. We make two versions of mooring iron, one from galvanized steel with a protective vinyl-coated eye, and the other from durable stainless steel. To provide strength and security, each version features a 1/2-inch centeral 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 prefered by many boaters worldwide. The CM is available in three color versions: fluorescent red, all white or white with a blue stripe.