NF-4 Heavy-Duty Twin Eye 6.4 x 12.6 - BlueThe NF-Series Boat Fender features multiple-ribbed, reinforced ropeholds, making it the strongest fender in its class. The NF-Series is an extra-tough recreational-boating fender for smaller boats and a good choice for use in boat locks and tidal areas where fenders are exposed to high-stress situations. The NF-Series is designed to last and stand up in the toughest conditions, as well as being compact for easy storage in smaller craft.Features: Durable integrated ropehold Small boat fender with commercial-grade strength Reliable single-piece construction Even wall thickness for maximum strength and durability Molded-in ribs for strength and abrasion resistance Designed for smaller boats that need heavy-duty fenders, for use in both permanent protected and unprotected moorings Unique Polyform vinyl valve system for years of service Made in the USA Specifications: Diameter: 6.4 Length: 21.6 Circumference: 20.1 Eye Diameter: 0.75 Volume: 2.1 gallons Weight: 3 lbs Recommended Boat Size: 20-25 Truck Freight: No Oversized: No