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 ropeholdSmall boat fender with commercial-grade strengthReliable single-piece constructionEven wall thickness for maximum strength and durabilityMolded-in ribs for strength and abrasion resistanceDesigned for smaller boats that need heavy-duty fenders, for use in both permanent protected and unprotected mooringsUnique Polyform vinyl valve system for years of serviceMade in the USASpecifications:Diameter: 6.4"Length: 21.6"Circumference: 20.1"Eye Diameter: 0.75"Volume: 2.1 gallonsWeight: 3 lbsRecommended Boat Size: 20'-25'