HTM-1 Hole Through Middle Fender 6.3" x 15.5" - GraphiteIn keeping with the Polyform tradition of quality, the HTM (hole-through-middle) boat fender was designed to provide maximum protection in a wide variety of applications. Vertical ribs for extra protection, reinforced tube ends to prevent lines from pulling through if the fender gets caught in a tight spot, and extra wall thickness to resist punctures and tears are just a few of the features of this high-quality fender has to offer. The HTM Series fender is designed to provide protection and stand-off for larger vessels between 20 to 50 feet in length. Choose from 4 sizes and a variety of Polyform colors.Features:Even wall thickness for maximum strength and durabilityMolded-in ribs for strength and abrasion resistanceReinforced tube endsDesigned for medium-duty use in both permanent protected and unprotected mooringsUnique Polyform valve for years of serviceSpecifications:Size (diameter x length): 6.3" x 15.5"Tube Diameter: 0.625"Circumference: 19.8"Volume: 1.8 gallonsBoat Size: 20'-25'