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Polyform NF-4 WHITE Heavy Duty Twin Eye Boat Fender 6.4" x 21.6"

Manufacturer

Polyform

<h3>About Polyform US</h3><p>When it comes to protecting your vessel and marking the water, few names carry the weight that Polyform US does. <strong>Headquartered in Kent, Washington</strong>, Polyform has spent decades earning a reputation as one of the most trusted manufacturers of boat fenders and marine buoys in the world — and they do it all right here in the United States. Their products can be found in ports, marinas, and on working vessels across every ocean, a testament to the kind of durability that only comes from uncompromising manufacturing standards.</p><h3>A Legacy Built on the Water</h3><p>The Polyform story began with a single iconic product: the A Series buoy. <a href="/7498-polyform-pickupmarkermast-buoys-202345">Pickup, marker, and mast buoys</a> are at the heart of what Polyform does, and their A Series remains one of the most recognized buoys in the marine industry. Featuring Polyform&apos;s signature blue ropehold and even wall thickness, the A Series has proven itself in the most demanding open-water conditions — from calm inland lakes to heavy offshore seas. It&apos;s a product that launched a legacy.</p><p>But Polyform&apos;s lineup extends well beyond a single series. Their <strong>CC Series</strong> hole-through-middle buoys serve as reliable mooring, marker, and commercial-grade tools trusted by long-line fishermen, fish farmers, and geophysical researchers alike. The <strong>S Series</strong> offers slender, cylindrical mast-style buoys ideal for marking dive spots, race courses, and hazards. Across all these product lines, Polyform builds for real-world conditions — not ideal ones.</p><h3>Boat Fenders for Every Vessel</h3><p>Polyform&apos;s fender lineup is equally impressive in its scope and engineering. The <strong>F Series</strong> twin-eye fenders are designed for larger vessels that need serious protection at the dock, while the <strong>G Series</strong> all-around fenders are a favorite for trailered boats and permanent moorings alike. For vessels in high-stress docking environments like boat locks and tidal areas, the <strong>NF Series</strong> delivers heavy-duty, single-piece construction with molded-in ribs for extra abrasion resistance. The <strong>HTM (Hole-Through-Middle) Series</strong> offers maximum versatility, excelling in any docking application on larger boats.</p><p>Every Polyform fender features one-piece construction, a proprietary vinyl valve system engineered for years of reliable service, and even wall thickness throughout — details that reflect a brand that sweats the small stuff so boaters don&apos;t have to.</p><h3>Quality That Sets the Standard</h3><p>What truly separates Polyform from the competition is their commitment to consistent, verifiable quality. Their signature blue ropeholds have become something of an industry hallmark — instantly recognizable in marinas worldwide and synonymous with dependable holding strength. Available in a wide range of colors and sizes to suit everything from small recreational runabouts to large commercial vessels, Polyform products are built to handle UV exposure, abrasion, and the relentless stress of life on the water.</p><p>For boaters who refuse to compromise on the equipment that protects their investment, Polyform US delivers proven performance backed by a manufacturing heritage that spans generations.</p>

Part Number

NF-4 WHITE
07/13/2036 1:58 AM
Sale Price

$28.89

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Product Details

The Polyform NF-4 Heavy Duty Twin Eye Fender is a premium marine fender designed for boats 20' to 25' in length. Measuring 6.4" in diameter by 21.6" in length with a 2.1 gallon volume, this white fender combines exceptional durability with compact storage for smaller craft.

Key Features:

  • Multiple-ribbed, reinforced twin-eye ropeholds with .75" eye diameter for maximum strength and flexibility
  • Hybrid design combining the proven styling of Polyform's G-Series with the reinforced ropehold technology of the F-Series
  • Extra tough construction ideal for high-stress situations including boat locks and tidal areas
  • One-piece seamless design for enhanced durability and reliability
  • Proprietary Polyform valve engineered for years of dependable service
  • Sleek single-color styling in bright white

Technical Specifications:

  • Dimensions: 6.4" diameter x 21.6" length (16.3 x 54.9 cm)
  • Circumference: 20.1" (51.1 cm)
  • Volume: 2.1 gallons (7.9 liters)
  • Weight: 3.06 lbs
  • Eye Diameter: 0.75" (1.9 cm)
  • Recommended Boat Size: 20' - 25' (6.1 - 7.6 meters)

The NF-Series represents one of Polyform's most innovative fender designs, engineered for medium-duty use in both permanent protected and unprotected moorings. Built to withstand the toughest marine conditions while remaining compact enough for easy onboard storage. Sold individually.

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