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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

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  • HARKEN U-ADPTOR 1/2in POST 75MM CARBO

    HARKEN
    $40.35 - $40.35
    $40.35
    $40.35 - $40.35
    $40.35

    The 463 U-Adaptor adapts 75 mm Carbo single blocks to swivel bases. Height (mm) 46 mm Weight (g) 136 g Minimum line Ø (mm) 3 mm Maximum line Ø ...

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  • HARKEN UPRIGHT BULLET LEAD BLOCK

    HARKEN
    $62.07 - $62.07
    $62.07
    $62.07 - $62.07
    $62.07

    Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of...

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  • HARKEN V BLOCK 1.5T LOOP CARBON

    HARKEN
    $3,134.03 - $3,134.03
    $3,134.03
    $3,134.03 - $3,134.03
    $3,134.03

    The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by co...

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  • HARKEN V BLOCK 3T LOOP CARBON

    HARKEN
    $3,910.37 - $3,910.37
    $3,910.37
    $3,910.37 - $3,910.37
    $3,910.37

    The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by co...

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  • HARKEN V BLOCK 5T LOOP CARBON

    HARKEN
    $6,010.66 - $6,010.66
    $6,010.66
    $6,010.66 - $6,010.66
    $6,010.66

    The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by co...

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  • HARKEN WIDE SHEAVE 114MM

    HARKEN
    $1,797.37 - $1,797.37
    $1,797.37
    $1,797.37 - $1,797.37
    $1,797.37

    Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impr...

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  • HARKEN WIDE SHEAVE 76MM X 40MM

    HARKEN
    $1,005.32 - $1,005.32
    $1,005.32
    $1,005.32 - $1,005.32
    $1,005.32

    Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impr...

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  • HARKEN ZIRCON BLOCKS

    HARKEN
    $148.13 - $360.14
    $148.13 - $360.14
    $148.13 - $360.14
    $148.13
    In stock

    Zircon blocks are the most efficient small boat blocks Harken has ever made. At the core of Zircon performance are industrial ceramic ball bearings...

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  • KITE BLOCKS PNP 24MM

    PNP
    $14.95 - $14.95
    $14.95
    $14.95 - $14.95
    $14.95

    PNP Kite/Utility blocks BENEFITS •Lightweight durable construction •Economical •Maintenance free•Simple lash-on attachment APPLICATIONS •Vang, cunn...

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  • RONSTAN 16MM KITE BLOCKS

    KITE BLOCKS RONSTAN 16MM

    RONSTAN
    $5.85 - $18.12
    $5.85 - $18.12
    $5.85 - $18.12
    $5.85

    Ronstan Kite/Utility blocks. Available in black, red or grey and in single or two packs. BENEFITS •Lightweight durable construction •Economical •Ma...

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  • KONG EXTRA ROLL Pulley

    KONG
    $117.66 - $117.66
    $117.66
    $117.66 - $117.66
    $117.66

    Aluminum pulley with single wheel, mobile side plates and high efficiency (96%) ball bearing .Equipped with two attachment points for use in comple...

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  • KONG TURBO ROLL PULLEY

    KONG
    $53.25 - $53.25
    $53.25
    $53.25 - $53.25
    $53.25
    Low stock

    Compact and lightweight pulley with fixed side plates, aluminum body and ball bearing to ensure optimum efficiency.Nylon wheel.For ropes up to 11 m...

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  • RILEY HOOKED BLOCK RM421

    RILEY HOOKED BLOCK

    RILEY MARINE
    $26.89 - $26.89
    $26.89
    $26.89 - $26.89
    $26.89

    Riley Hooked Block. Stainless steel body with nylon sheave. Hooks directly into mast on many dinghies. 19mm x 6mm Single Sheave Block Max Rope Dia...

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  • RILEY MINI BLOCK 14MM RM32

    RILEY MINI BLOCK 14MM

    RILEY MARINE
    $6.51 - $6.51
    $6.51
    $6.51 - $6.51
    $6.51

    Riley Mini Blocks. Strong yet lightweight nylon body with chrome plated bronze sheave. DIMENSIONS: Sheave Diameter: 14mm Overall Length: 34mm Ov...

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  • RILEY OUTLET EXIT BLOCK RM35

    RILEY OUTLET EXIT BLOCK

    RILEY MARINE
    $37.22 - $37.22
    $37.22
    $37.22 - $37.22
    $37.22

    Riley Outlet (Exit) Blocks. Stainless steel body with nylon sheave. For leading lines into or out of masts and spars. DIMENSIONS: Overall Length:...

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  • RONSTAN 13MM SINGLE LEAD BLOCK

    RONSTAN 13MM SINGLE LEAD BLOCK

    RONSTAN
    $21.24 - $21.24
    $21.24
    $21.24 - $21.24
    $21.24

    Ronstan Upright Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Applications •...

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  • RONSTAN 19MM BECKET BLOCK LOOP TOP S/S

    RONSTAN 19MM BECKET BLOCK LOOP TOP S/S

    RONSTAN
    $30.18 - $30.18
    $30.18
    $30.18 - $30.18
    $30.18

    Ronstan 19mm loop top becket block for saddle mounting. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no main...

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  • RONSTAN 19MM BLOCK FERRULE TOP S/S

    RONSTAN 19MM BLOCK FERRULE TOP S/S

    RONSTAN
    $21.83 - $21.83
    $21.83
    $21.83 - $21.83
    $21.83

    Ronstan 19mm ferrule head utility block. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow...

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  • RONSTAN 19MM BLOCK LOOP TOP S/S

    RONSTAN 19MM BLOCK LOOP TOP S/S

    RONSTAN
    $17.57 - $17.57
    $17.57
    $17.57 - $17.57
    $17.57

    Ronstan 19mm loop top block for saddle mounting. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance...

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  • RONSTAN 19MM BLOCK TUBE RIVET S/S

    RONSTAN 19MM BLOCK TUBE RIVET S/S

    RONSTAN
    $20.46 - $20.46
    $20.46
    $20.46 - $20.46
    $20.46

    Ronstan 19mm tube rivet utility block. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow r...

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  • RONSTAN 19MM DOUBLE BLOCK TUBE RIVET S/S

    RONSTAN 19MM DOUBLE BLOCK TUBE RIVET S/S

    RONSTAN
    $41.11 - $41.11
    $41.11
    $41.11 - $41.11
    $41.11

    Ronstan 19mm tube rivet utility block. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow r...

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  • RONSTAN 19MM LEAD BLOCK

    RONSTAN 19MM LEAD BLOCK

    RONSTAN
    $20.68 - $20.68
    $20.68
    $20.68 - $20.68
    $20.68

    Ronstan Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an inverte...

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  • RONSTAN 19MM LEAD BLOCK FIXED SHEAVE

    RONSTAN 19MM LEAD BLOCK FIXED SHEAVE

    RONSTAN
    $20.68 - $20.68
    $20.68
    $20.68 - $20.68
    $20.68

    Ronstan Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an inverte...

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  • RONSTAN 19MM WIRE BLOCK FERRULE TOP

    RONSTAN 19MM WIRE BLOCK FERRULE TOP

    RONSTAN
    $30.84 - $30.84
    $30.84
    $30.84 - $30.84
    $30.84

    Ronstan 19mm wire blocks have specialised Nylatron sheaves for maximum wear resistance and narrow grooves to support wire. Applications •Wire bloc...

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  • RONSTAN 22MM B/B TRAVELLER CONTROL BLOCK

    RONSTAN 22MM B/B TRAVELLER CONTROL BLOCK

    RONSTAN
    $105.60 - $105.60
    $105.60
    $105.60 - $105.60
    $105.60

    Ronstan traveller control block addition kit to suit Series 22 ball bearing traveller systems. •Grade 316 stainless steel cheeks & fasteners •...

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  • RONSTAN 25MM BLOCK LOOP TOP

    RONSTAN 25MM BLOCK LOOP TOP

    RONSTAN
    $17.01 - $17.01
    $17.01
    $17.01 - $17.01
    $17.01

    Ronstan Utility Blocks feature Stainless steel cheeks and Acetal sheaves to ensure a long service life with virtually no maintenance. Hollow rivets...

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  • RONSTAN 25MM BLOCK LOOP TOP BECKET

    RONSTAN 25MM BLOCK LOOP TOP BECKET

    RONSTAN
    $24.85 - $24.85
    $24.85
    $24.85 - $24.85
    $24.85

    Ronstan Utility Blocks feature Stainless steel cheeks and Acetal sheaves to ensure a long service life with virtually no maintenance. Hollow rivets...

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  • RONSTAN 25MM BLOCK SWIVEL TOP

    RONSTAN 25MM BLOCK SWIVEL TOP

    RONSTAN
    $30.11 - $30.11
    $30.11
    $30.11 - $30.11
    $30.11

    Ronstan Utility Blocks feature Stainless steel cheeks and Acetal sheaves to ensure a long service life with virtually no maintenance. Hollow rivets...

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  • RONSTAN 25MM BLOCK SWIVEL TOP S/S

    RONSTAN 25MM BLOCK SWIVEL TOP S/S

    RONSTAN
    $34.85 - $34.85
    $34.85
    $34.85 - $34.85
    $34.85

    Ronstan 25mm Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in t...

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  • RONSTAN 25MM V JAM BLOCK SINGLE

    RONSTAN 25MM V JAM BLOCK SINGLE

    RONSTAN
    $61.74 - $61.74
    $61.74
    $61.74 - $61.74
    $61.74

    Ronstan single Utility Block with V-Jam cleat. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. ...

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  • RONSTAN 25MM V JAM BLOCK TRIPLE

    RONSTAN 25MM V JAM BLOCK TRIPLE

    RONSTAN
    $119.36 - $119.36
    $119.36
    $119.36 - $119.36
    $119.36

    Ronstan triple Utility Block with V-Jam cleat. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. ...

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  • RONSTAN 25MM WIRE BLOCK

    RONSTAN 25MM WIRE BLOCK

    RONSTAN
    $31.98 - $31.98
    $31.98
    $31.98 - $31.98
    $31.98

    Wire blocks have purpose deisgned narrow sheaves and grooves. Nylatron sheaves give excellent wear resistance when wire cable is used. Applicati...

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  • RONSTAN 29MM BLOCK SWIVEL RING TOP

    RONSTAN 29MM BLOCK SWIVEL RING TOP

    RONSTAN
    $41.60 - $41.60
    $41.60
    $41.60 - $41.60
    $41.60

    Ronstan Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the bl...

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  • RONSTAN 29MM BLOCK TUBE RIVET S/S

    RONSTAN 29MM BLOCK TUBE RIVET S/S

    RONSTAN
    $27.80 - $27.80
    $27.80
    $27.80 - $27.80
    $27.80

    Ronstan 29mm Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets acce...

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  • RONSTAN 29MM CHEEK BLOCK

    RONSTAN 29MM CHEEK BLOCK

    RONSTAN
    $49.99 - $49.99
    $49.99
    $49.99 - $49.99
    $49.99

    Ronstan Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. •Lightweight durable ...

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  • RONSTAN 29MM DOUBLE BLOCK LOOP TOP

    RONSTAN 29MM DOUBLE BLOCK LOOP TOP

    RONSTAN
    $49.07 - $49.07
    $49.07
    $49.07 - $49.07
    $49.07

    Ronstan Series 29 Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Application...

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