Mooring Buoy w/SS 17″ Diameter – Red. 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 stainless steel. 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 stainless steel, 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 , , Size: 17″ x 22″ , Eye Diameter: 5/8 in, Circumference: 56.5 in, Buoyancy Ratings: 121 lbs.