Blocks

Blocks

Blocks

     Sailing blocks are essential components for optimizing sailboat performance, providing smooth and efficient control over the sails. These marine blocks are available in various sizes and types, including single, double, and triple blocks, designed to handle different line loads and configurations. Constructed from durable materials like stainless steel, nylon, and carbon fiber, sailing blocks are built to withstand harsh marine environments, ensuring long-lasting reliability. Key features to consider include block sheaves, load ratings, and ball bearings for minimal friction and maximum efficiency. Whether you need traveler blocks, deck blocks, or sail handling blocks, the right selection ensures smoother sail trims and quicker adjustments. Leading brands like Harken, Lewmar, and Antal offer high-quality sailing blocks that are easy to install and maintain. Choosing the right block and tackle system for your sailboat enhances maneuverability, improves performance, and provides better control while sailing, making them a must-have for any sailing enthusiast or racer.

  • Harken 40mm Twing Block - 2699
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    Harken 40mm Twing Block - 2699

    Harken

    $75.85
    40mm Twing BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.Features:Opening side...
    $75.85
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  • SeaSure Flat Eye Plate 41mm x 51mm - 16.05CRD
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    SeaSure Flat Eye Plate 41mm x 51mm - 16.05CRD

    SeaSure

    MSRP: $23.41
    $17.03
    Flat Eye Plate 41mm x 51mmThis eye plate is manufactured from 316 stainless steel and underwent multiple machining and finishing operations to ensure it has a smooth finish and is free of damaging sharp corners and burs. Features:Electro-polished to...
    MSRP: $23.41
    $17.03
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  • SeaSure Tiller Lock Gun - Grey - 19.27
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    SeaSure Tiller Lock Gun - Grey - 19.27

    SeaSure

    MSRP: $90.09
    $65.52
    Tiller Lock Gun - GreyThis tiller lock maintains the rugged reliability of the original and brings the design fully up to date.Design suitable for any tiller-steered yacht or sports boatA simple mechanism allows the tiller to be set and adjusted, which...
    MSRP: $90.09
    $65.52
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  • SeaSure 25mm Single Block w/Shackle - 00.08CRD
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    SeaSure 25mm Single Block w/Shackle - 00.08CRD

    SeaSure

    MSRP: $25.10
    $18.25
    25mm Single Block with ShackleThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and...
    MSRP: $25.10
    $18.25
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  • SeaSure Seddon Link f/25mm Diameter - 08.05CRD
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    SeaSure Seddon Link f/25mm Diameter - 08.05CRD

    SeaSure

    MSRP: $60.35
    $43.88
    Seddon Link for 25mm DiameterThe "Life Line Link" is a webbing link that you are easily able to move around the boat to create a safe attachment point. Fitted and removed in seconds, it provides strong attachments for deck safety lines or sheet locks...
    MSRP: $60.35
    $43.88
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  • SeaSure 25mm Halyard Block - 00.03CRD
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    SeaSure 25mm Halyard Block - 00.03CRD

    SeaSure

    MSRP: $15.69
    $11.41
    25mm Halyard BlockThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light...
    MSRP: $15.69
    $11.41
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  • Harken 29mm Carbo Air Block w/Swivel - 340
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    Harken 29mm Carbo Air Block w/Swivel - 340

    Harken

    MSRP: $32.95
    $28.95
    29mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...
    MSRP: $32.95
    $28.95
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  • SeaSure 25mm Double Block w/Shackle - 00.21CRD
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    SeaSure 25mm Double Block w/Shackle - 00.21CRD

    SeaSure

    MSRP: $36.12
    $26.27
    25mm Double Block with ShackleThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and...
    MSRP: $36.12
    $26.27
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  • SeaSure Small Mast or Deck Eye - 25.42CRD
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    SeaSure Small Mast or Deck Eye - 25.42CRD

    SeaSure

    MSRP: $26.18
    $19.04
    Small Mast or Deck EyeThis eye plate is manufactured from 316 Stainless Steel and underwent multiple machining and finishing operations to ensure it has a smooth finish and is free of damaging sharp corners and burs. Features:Electropolished to give...
    MSRP: $26.18
    $19.04
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  • Harken 22mm Micro Block w/Swivel - 292
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    Harken 22mm Micro Block w/Swivel - 292

    Harken

    MSRP: $33.25
    $28.95
    22mm Micro Block with SwivelLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications:Sheave: 22mm / 7/8in.Length: 60mm / 2-3/8in.Weight:...
    MSRP: $33.25
    $28.95
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  • SeaSure Bridge f/25mm Webbing - 05.96CRD
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    SeaSure Bridge f/25mm Webbing - 05.96CRD

    SeaSure

    MSRP: $6.75
    $4.91
    Bridge for 25mm WebbingThis durable webbing Bridge is made of marine-grade 316 stainless steel.Features:M5 Fixing holesSpecifications:Weight: 0.004kgSize: 25mm webbing Manufacturer : SeaSure Manufacturer Part No : 05.96CRD UPC : 895052001125
    MSRP: $6.75
    $4.91
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