POLYFORM US POLYFORM MOORING BUOY W/ IRON 17 DIAMETER WHITE BLUE STRIPE. * The CM has been designed to provide the ultimate in strength, durability and versatility, providing increased security to any mooring. The mooring iron is made from 1/2-inch galvanized steel with the additional protection of a vinyl coated eye. * A larger eye (4-3/8"" diameter) and swivel (1-1/2"" diameter along) provides maximum strength. And best of all the CM"s soft vinyl surface won"t harm boat finishes. Available in fluorescent red and white with a blue stripe. * Features: Strong mooring iron made from galvanized steel with vinyl coated eye Larger eye {4-3/8} and swivel {1-1/2} provide maximum strength Soft vinyl surface won"t harm boat finishes Polyform"s unique vinyl valve seals securely Even wall thickness for strength and durability Limited three year warranty Size: 18 x 35.1 in Eye Diameter: 5/8 in Circumference: 56.5 in Buoyancy Ratings: 121 lbs. * 36844.