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Barton Marine 81 550 Mast Base Organizer 4 Block Swivel Post System

Manufacturer

Barton Marine

<h3>Barton Marine: Over 75 Years of British Sailing Innovation</h3><p>Few names carry as much heritage in the world of sailboat hardware as Barton Marine. Founded in 1948 by Ron Barton in Whitstable, Kent — a region with a deep shipbuilding tradition — the company has grown from a small boatbuilder's workshop into a globally recognized manufacturer of premium deck equipment. Today, Barton produces more than 1,000 different products designed to serve sailors aboard everything from small dinghies and keel boats to offshore yachts measuring up to 16 metres.</p><h3>A Legacy Built on Material Innovation</h3><p>From the very beginning, Barton set itself apart through a commitment to materials science. Ron Barton was among the first in the marine industry to work with Tufnol — a fabric-based laminated plastic — combined with stainless steel, producing yachting blocks that were dramatically lighter and stronger than the wooden alternatives of the era. When GRP boats arrived in the 1960s and brought sailing to a wider audience, Barton responded by pioneering plastic injection moulding across its entire product line, becoming the first marine company to do so and setting a manufacturing standard that the industry would follow for decades.</p><p>That spirit of being first has never faded. Barton continued to introduce milestone products through the following decades — ball bearing blocks, slab reefing kits, deck organisers, and eventually the iconic Boomstrut, a maintenance-free solid vang that supports the boom without any need for a topping lift. Each of these innovations reflects the same philosophy: engineering hardware that makes sailing safer, more efficient, and more enjoyable.</p><h3>A Complete Range for Every Sailor</h3><p>Whether you are rigging a racing dinghy or outfitting a cruising yacht, Barton's catalog has the components to match. Their <a href="/200174-blocks-barton-marine-11485">blocks</a> are perhaps the brand's most celebrated product line, offered in multiple sizes and bearing configurations to suit different load ratings and line diameters. From plain-bearing dinghies blocks to multi-sheave fiddle blocks with cam cleats built in, the range is one of the most comprehensive available from a single manufacturer.</p><p>For line management on deck, Barton's <a href="/11485-barton-marine-cleats-200268">cleats</a> — including the practical Quick Cleat and the high-grip K Cam Cleat — provide reliable, low-profile solutions for both novice sailors and seasoned racers. Their broader catalog of <a href="/11485-barton-marine-sailing-parts-accessories-200892">sailing parts &amp; accessories</a> extends to traveller systems, genoa cars and tracks, rope clutches, fairleads, and everything-in-a-box rigging kits that simplify complex installation tasks. For protecting and maintaining your sailboat, Barton also offers tapes and vinyl, leather &amp; nylon repair kits to keep hardware and surfaces in top condition.</p><h3>Why Sailors Trust Barton Marine</h3><p>Barton Marine products are manufactured in Southeast England, where quality control has remained a point of pride across more than seven decades of production. Major yacht builders — including Dehler, Hanse, and Beneteau — have specified Barton hardware for production vessels, a testament to the brand's reputation at the OEM level. In independent testing, Barton blocks have repeatedly been rated top performers by leading sailing publications. When you invest in Barton Marine, you are not simply buying a fitting — you are buying into a tradition of thoughtful engineering that has stood the test of time on waters around the world.</p>

Part Number

81 550
09/12/2036 1:52 AM
Sale Price

$113.41

In Stock (6)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Barton Marine Mast Base Organizer is a professional-grade deck hardware system designed to streamline sail control lines at the base of the mast. Featuring a distinctive 'Spectro' grey anodized aluminum finish for superior corrosion resistance, this organizer accepts up to four double tang blocks mounted on individual stainless steel swivel posts with three deck fixing points.

Key Features:

  • Four stainless steel swivel posts with nylon base washers for smooth line routing
  • Premium 'Spectro' grey anodized aluminum construction for long-lasting durability in marine environments
  • Impressive 1,540 kg safe working load with 3,080 kg break load capacity
  • Compact mounting footprint: 160mm length x 25mm width x 28mm height
  • Compatible with Barton series 1-4 single blocks (models 01 090 to 04 090)
  • Includes four pairs of nylon packing washers for tang block installation

This mast base organizer is engineered to work seamlessly with Barton's deck organizers, rope clutches, and winches, allowing sailors to manage halyards, reefing lines, and topping lifts from the cockpit without leaving their position. The three-point deck mounting system with 6mm fixing holes ensures secure installation, while the swivel posts provide optimal line angle adjustment for efficient sail handling.

Products specifications

Diameter

1/2Inch or 12mm

Length

9 5/8 Inches

Mount Type

Mechanical Fasteners

Type

Deck Organizer

Weight

0.54

Direction

Any

Ratchet

Non Ratcheting

Sheave Diameter

32mm

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