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Sailing blocks. Buy online with Fosters, the home of quality sailing & yachting hardware for over 100 years. Stockists of Harken, Ronstan, Cleveco, HYE, Spinlock
  • 100MM 12T HL LOOP SNATCH BLOCK

    HARKEN
    Original price $5,125.20 - Original price $5,125.20
    Original price
    $5,125.20
    $5,125.20 - $5,125.20
    Current price $5,125.20

    These multipurpose blocks are a must on racing yachts of all sizes. Opening sideplates make them easy to deploy, allowing crew to quickly fasten th...

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  • 100MM BLACK MAGIC FOOT BLOCKS

    HARKEN
    Original price $1,440.04 - Original price $2,592.54
    Original price
    $1,440.04 - $2,592.54
    $1,440.04 - $2,592.54
    Current price $1,440.04

    Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Either metric or imperial flathead fasteners may ...

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  • 100MM BLACK MAGIC LOOP BLOCK

    HARKEN
    Original price $1,688.05 - Original price $1,688.05
    Original price
    $1,688.05
    $1,688.05 - $1,688.05
    Current price $1,688.05

    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

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  • 100MM BLACK MAGIC RUNNER BLOCKS

    HARKEN
    Original price $2,099.40 - Original price $2,428.25
    Original price
    $2,099.40 - $2,428.25
    $2,099.40 - $2,428.25
    Current price $2,099.40

    Black Magic Runner Blocks are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated side plate ...

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  • 100MM BLACK MAGIC STANDUP BLOCK

    HARKEN
    Original price $2,085.48 - Original price $2,085.48
    Original price
    $2,085.48
    $2,085.48 - $2,085.48
    Current price $2,085.48

    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

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  • 100MM BLACK MAGIC SWIVEL BLOCKS

    HARKEN
    Original price $1,613.60 - Original price $3,424.25
    Original price
    $1,613.60 - $3,424.25
    $1,613.60 - $3,424.25
    Current price $1,613.60

    The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly t...

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  • 125MM 15T HL LOOP SNATCH BLOCK

    HARKEN
    Original price $6,851.18 - Original price $6,851.18
    Original price
    $6,851.18
    $6,851.18 - $6,851.18
    Current price $6,851.18

    These multipurpose blocks are a must on racing yachts of all sizes. Opening sideplates make them easy to deploy, allowing crew to quickly fasten th...

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  • 125MM BLACK MAGIC FOOT BLOCKS

    HARKEN
    Original price $1,962.18 - Original price $4,502.49
    Original price
    $1,962.18 - $4,502.49
    $1,962.18 - $4,502.49
    Current price $1,962.18

    Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Either metric or imperial flathead fasteners may ...

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  • 125MM BLACK MAGIC LOOP BLOCK

    HARKEN
    Original price $2,261.46 - Original price $2,261.46
    Original price
    $2,261.46
    $2,261.46 - $2,261.46
    Current price $2,261.46

    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

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  • 125MM BLACK MAGIC RUNNER BLOCKS

    HARKEN
    Original price $3,145.97 - Original price $3,708.65
    Original price
    $3,145.97 - $3,708.65
    $3,145.97 - $3,708.65
    Current price $3,145.97

    Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated sideplate bails and recessed ...

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  • 125MM BLACK MAGIC STAND UP BLOCK

    HARKEN
    Original price $2,625.82 - Original price $2,625.82
    Original price
    $2,625.82
    $2,625.82 - $2,625.82
    Current price $2,625.82

    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

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  • 125MM BLACK MAGIC SWIVEL BLOCK

    HARKEN
    Original price $2,284.19 - Original price $2,284.19
    Original price
    $2,284.19
    $2,284.19 - $2,284.19
    Current price $2,284.19

    The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly t...

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  • 150MM BLACK MAGIC SWIVEL BLOCK

    HARKEN
    Original price $4,265.91 - Original price $4,265.91
    Original price
    $4,265.91
    $4,265.91 - $4,265.91
    Current price $4,265.91

    The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly t...

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  • 18MM T2 BLOCKS NARROW

    HARKEN
    Original price $58.50 - Original price $100.76
    Original price
    $58.50 - $100.76
    $58.50 - $100.76
    Current price $58.50

    T2 blocks come in single and double configurations and can be tied, spliced, or lashed to almost anything. The 18 mm block features stainless steel...

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  • 29MM CARBO CAMS

    HARKEN
    Original price $161.41 - Original price $287.41
    Original price
    $161.41 - $287.41
    $161.41 - $287.41
    Current price $161.41

    High-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “head knockers” on dinghies and beachcats for...

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  • 29MM CARBO FIXED BLOCKS

    HARKEN
    Original price $38.38 - Original price $100.89
    Original price
    $38.38 - $100.89
    $38.38 - $100.89
    Current price $38.38

    Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

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  • 29MM CARBO SWIVEL/BECKET BLOCKS

    HARKEN
    Original price $67.12 - Original price $168.64
    Original price
    $67.12 - $168.64
    $67.12 - $168.64
    Current price $67.12

    Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

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  • 29MM T2 BLOCKS

    HARKEN
    Original price $64.18 - Original price $110.60
    Original price
    $64.18 - $110.60
    $64.18 - $110.60
    Current price $64.18

    The high-strength composite T2™ is the first block with no metal shackles or rivets. All T2 blocks route the attachment line through the block head...

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  • 30mm Protexit™ Double Exit Block

    HARKEN
    Original price $250.56 - Original price $250.56
    Original price
    $250.56
    $250.56 - $250.56
    Current price $250.56

    When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

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  • 30mm Protexit™ Exit Block

    HARKEN
    Original price $205.03 - Original price $205.03
    Original price
    $205.03
    $205.03 - $205.03
    Current price $205.03

    When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

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  • 38.5MM 2.3T HL SNATCH BLOCK

    HARKEN
    Original price $1,250.08 - Original price $1,250.08
    Original price
    $1,250.08
    $1,250.08 - $1,250.08
    Current price $1,250.08

    These multipurpose blocks are a must on racing yachts of all sizes. Opening sideplates make them easy to deploy, allowing crew to quickly fasten th...

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  • 40MM CARBO FIXED BLOCKS

    HARKEN
    Original price $69.60 - Original price $160.79
    Original price
    $69.60 - $160.79
    $69.60 - $160.79
    Current price $69.60

    Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

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  • 40MM CARBO SWIVEL/BECKET BLOCKS

    HARKEN
    Original price $84.92 - Original price $422.46
    Original price
    $84.92 - $422.46
    $84.92 - $422.46
    Current price $84.92

    Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

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  • 40MM ESP DECK ORGANIZERS

    HARKEN
    Original price $216.14 - Original price $992.81
    Original price
    $216.14 - $992.81
    $216.14 - $992.81
    Current price $216.14
    In stock

    Deck organizers lead halyards and control lines aft, allowing crew to sail from the security of the cockpit. They lead a large number of lines thro...

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  • 40mm Protexit™ Exit Block

    HARKEN
    Original price $278.97 - Original price $278.97
    Original price
    $278.97
    $278.97 - $278.97
    Current price $278.97

    When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

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  • 40mm Protexit™ Exit Block - Wide Sheave

    HARKEN
    Original price $548.26 - Original price $548.26
    Original price
    $548.26
    $548.26 - $548.26
    Current price $548.26

    When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

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  • 40MM T2 BLOCKS

    HARKEN
    Original price $96.48 - Original price $164.23
    Original price
    $96.48 - $164.23
    $96.48 - $164.23
    Current price $96.48

    The high-strength composite T2™ is the first block with no metal shackles or rivets. It is used for traveller controls, mainsheets and vangs, casca...

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  • 45 mm Aluminum Element, Single Foot Block

    HARKEN
    Original price $151.27 - Original price $151.27
    Original price
    $151.27
    $151.27 - $151.27
    Current price $151.27

    Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...

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  • 45MM BLACK MAGIC BLOCKS

    HARKEN
    Original price $524.37 - Original price $828.83
    Original price
    $524.37 - $828.83
    $524.37 - $828.83
    Current price $524.37

    New to 2023's Harken Range the 45MM Black Magic Air Blocks Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. T...

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  • 45MM ELEMENT CAM BLOCKS

    HARKEN
    Original price $255.55 - Original price $490.78
    Original price
    $255.55 - $490.78
    $255.55 - $490.78
    Current price $255.55

    Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...

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  • 45MM ELEMENT SWIVEL BLOCKS

    HARKEN
    Original price $109.52 - Original price $356.37
    Original price
    $109.52 - $356.37
    $109.52 - $356.37
    Current price $109.52

    Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...

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  • 50 mm Protexit™ Exit Block

    HARKEN
    Original price $321.76 - Original price $321.76
    Original price
    $321.76
    $321.76 - $321.76
    Current price $321.76

    When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

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  • 56MM 5T HL LOOP SNATCH BLOCK

    HARKEN
    Original price $1,884.21 - Original price $1,884.21
    Original price
    $1,884.21
    $1,884.21 - $1,884.21
    Current price $1,884.21
    In stock

    These multipurpose blocks are a must on racing yachts of all sizes. Opening sideplates make them easy to deploy, allowing crew to quickly fasten th...

    View full details
  • 57MM BLACK MAGIC HL FOOT BLOCKS

    HARKEN
    Original price $486.12 - Original price $848.49
    Original price
    $486.12 - $848.49
    $486.12 - $848.49
    Current price $486.12

    Use Black Magic foot blocks to redirect lines on the deck. Either metric or imperial flathead fasteners may be used for mounting and are not expose...

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  • 57MM BLACK MAGIC LOOP BLOCK

    HARKEN
    Original price $637.01 - Original price $637.01
    Original price
    $637.01
    $637.01 - $637.01
    Current price $637.01

    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

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  • 57MM BLACK MAGIC LOW LOAD BLOCKS

    HARKEN
    Original price $499.34 - Original price $967.13
    Original price
    $499.34 - $967.13
    $499.34 - $967.13
    Current price $499.34

    The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly t...

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