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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
  • RONSTAN SERIES 15 BALL BEARING EXIT BLOCK

    RONSTAN
    Original price $36.85 - Original price $36.85
    Original price
    $36.85
    $36.85 - $36.85
    Current price $36.85

    Exit Block with formed single piece formed housing for minimal rope wear. FEATURES Precision moulded acetal sheave running on stainless steel bal...

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  • RONSTAN SERIES 20 B/B BLOCK LOOP TOP

    RONSTAN
    Original price $25.16 - Original price $25.16
    Original price
    $25.16
    $25.16 - $25.16
    Current price $25.16

    Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. Applications •...

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  • RONSTAN SERIES 20 B/B BLOCK SWIVEL

    RONSTAN
    Original price $32.80 - Original price $32.80
    Original price
    $32.80
    $32.80 - $32.80
    Current price $32.80

    Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. Applications •...

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  • RONSTAN SERIES 20 B/B DOUBLE LINKED BLOCK

    RONSTAN
    Original price $49.78 - Original price $49.78
    Original price
    $49.78
    $49.78 - $49.78
    Current price $49.78

    Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. Applications •D...

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  • RONSTAN SERIES 20 B/B PIVOTING LEAD BLOCK

    RONSTAN
    Original price $59.41 - Original price $59.41
    Original price
    $59.41
    $59.41 - $59.41
    Current price $59.41

    Ronstan Pivoting Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Precision moulded...

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  • RONSTAN SERIES 20 B/B TRIPLE BLOCK/BECKET/CAM

    RONSTAN
    Original price $160.33 - Original price $160.33
    Original price
    $160.33
    $160.33 - $160.33
    Current price $160.33

    Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.Two-way head - can...

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  • RONSTAN SERIES 20 EXIT BLOCK-COVER PLATE

    RONSTAN
    Original price $41.98 - Original price $41.98
    Original price
    $41.98
    $41.98 - $41.98
    Current price $41.98

    Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. Applications •...

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  • RONSTAN SERIES 20 EXIT BLOCK-SIDE TAB

    RONSTAN
    Original price $43.60 - Original price $43.60
    Original price
    $43.60
    $43.60 - $43.60
    Current price $43.60

    Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. Applications •...

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  • RONSTAN SERIES 20 PIVOTING CLEAT BASE

    RONSTAN
    Original price $113.78 - Original price $113.78
    Original price
    $113.78
    $113.78 - $113.78
    Current price $113.78

    Ronstan swivel cleat bases permit easy cleating and releasing from any angle.Sheave can be relocated to allow the control line to feed from below. ...

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  • RONSTAN SERIES 30 BB SHEAVE

    RONSTAN
    Original price $95.00
    Original price $95.00 - Original price $95.00
    Original price $95.00
    Current price $48.00
    $48.00 - $48.00
    Current price $48.00
    Low stock

    Alloy, 30mm x 7.7mm x ID6.2mm. Torlon® balls FEATURESOversize Torlon® balls minimise friction SpecificationsProduct SpecificationsBore (mm)    6Dia...

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  • RONSTAN SERIES 50 EXIT BLOCK-SIDE TAB

    RONSTAN
    Original price $86.39 - Original price $86.39
    Original price
    $86.39
    $86.39 - $86.39
    Current price $86.39

    Ronstan manufactures an extensive range of sheave boxes for use with rope and wire. Plain bearing sheaves are ideal for halyards and other applicat...

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  • RONSTAN SHOCK SHEAVELESS BLOCKS - 2 PACK

    RONSTAN
    Original price $25.30 - Original price $25.30
    Original price
    $25.30
    $25.30 - $25.30
    Current price $25.30

    The Sheaveless Block Available in four colour options - blue, green, grey and red with several attachment options, including webbing, pigtail, lash...

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  • RONSTAN SHOCK XL SHEAVELESS BLOCKS

    RONSTAN
    Original price $24.86 - Original price $24.86
    Original price
    $24.86
    $24.86 - $24.86
    Current price $24.86

    The SHeaveless blOCK XL Available in four colour options - blue and red with several attachment options, including webbing, pigtail, lashing and dy...

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  • RONSTAN SINGLE LEAD BLOCK 19MM

    RONSTAN
    Original price $20.73 - Original price $20.73
    Original price
    $20.73
    $20.73 - $20.73
    Current price $20.73

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

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  • RONSTAN SINGLE LEAD BLOCK 25MM

    RONSTAN
    Original price $24.31 - Original price $24.31
    Original price
    $24.31
    $24.31 - $24.31
    Current price $24.31

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

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  • RONSTAN SINGLE STEERING PULLEY

    RONSTAN
    Original price $38.01 - Original price $38.01
    Original price
    $38.01
    $38.01 - $38.01
    Current price $38.01

    Ronstan powerboat steering pulley. Sheave has a deep groove to cradle 5mm (3/16") diameter Wire. Applications •Ideal for small runabouts where h...

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  • RONSTAN SNATCH BLOCK 139MM

    RONSTAN
    Original price $317.03 - Original price $317.03
    Original price
    $317.03
    $317.03 - $317.03
    Current price $317.03

    Snatch blocks are a tough and reliable solution for temporary leads and line deflection. Simple and quick to deploy, they can be easily opened when...

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  • RONSTAN SNATCH BLOCK 176MM

    RONSTAN
    Original price $329.42 - Original price $329.42
    Original price
    $329.42
    $329.42 - $329.42
    Current price $329.42

    Snatch blocks are a tough and reliable solution for temporary leads and line deflection. Simple and quick to deploy, they can be easily opened when...

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  • RONSTAN STAND UP BASE SERIES 40 / 55 BLOCKS

    RONSTAN
    Original price $40.12 - Original price $40.12
    Original price
    $40.12
    $40.12 - $40.12
    Current price $40.12

    Ronstan stand up swivel base. Suits Ronstan Series 40 and Series 55 shackle on or loop blocks. BASE DIMENSIONS: 48mm x 17mm

  • RONSTAN SWIVEL BASE 180 & CLEAT

    RONSTAN
    Original price $108.69 - Original price $108.69
    Original price
    $108.69
    $108.69 - $108.69
    Current price $108.69

    Ronstan 180 degree swivel base and cleat. Attach to mast or boom for direct adjustment and cleating of control lines. Sheave can be re-located to f...

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  • RONSTAN TRUNNION SNATCH BLOCK 133MM

    RONSTAN
    Original price $340.91 - Original price $340.91
    Original price
    $340.91
    $340.91 - $340.91
    Current price $340.91

    Snatch blocks are a tough and reliable solution for temporary leads and line deflection. Simple and quick to deploy, they can be easily opened when...

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  • RONSTAN UPRIGHT LEAD BLOCK 22MM

    RONSTAN
    Original price $36.52 - Original price $36.52
    Original price
    $36.52
    $36.52 - $36.52
    Current price $36.52

    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 WIRE BLOCK 25MM FERRULE TOP

    RONSTAN
    Original price $39.84 - Original price $39.84
    Original price
    $39.84
    $39.84 - $39.84
    Current price $39.84

    Ronstan Wire Blocks have purpose deisgned narrow sheaves and grooves. Removal sheave for easy fitting and without cutting the wire termination •F...

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  • RONSTAN WIRE BLOCK FERRULE EYE

    RONSTAN
    Original price $65.10 - Original price $65.10
    Original price
    $65.10
    $65.10 - $65.10
    Current price $65.10

    Ronstan Wire blocks have purpose deisgned narrow sheaves and grooves. Removable sheave for easy fitting and without cutting the wire termination. ...

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  • RONSTAN WIRE BLOCK TUBE HEAD

    RONSTAN
    Original price $71.16 - Original price $71.16
    Original price
    $71.16
    $71.16 - $71.16
    Current price $71.16

    Ronstan wire blocks have purpose deisgned narrow sheaves and grooves. Removable sheave for easy fitting and without cutting the wire termination. ...

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  • SINGLE BLOCK CLEVECO 48MM BECKET

    CLEVECO
    Original price $52.73 - Original price $52.73
    Original price
    $52.73
    $52.73 - $52.73
    Current price $52.73

    Cleveco Keeler block, 48x13mm delrin sheave, ferrule top & becket. Ideal for smaller keelers and cruising boats. A very sturdy and long lasting...

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  • SMC 2" Single Aluminum Prusik Minding Pulley "PMP"

    SMC
    Original price $169.33 - Original price $169.33
    Original price
    $169.33
    $169.33 - $169.33
    Current price $169.33

    Single PMP is sized to fit between our Micro PMP and 3” PMPs and represents a mid-sized option for those needing the unique features of a PMP. This...

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  • SMC 3" Single Aluminum Prusik Minding Pulley "PMP"

    SMC
    Original price $296.34 - Original price $296.34
    Original price
    $296.34
    $296.34 - $296.34
    Current price $296.34
    Low stock

    The 3" PMP is the largest of three sizes of SMC Prusik Minding Pulleys and therefore handle the largest loads and toughest tasks. PMP’s feature...

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  • SMC CRX Crevasse Rescue Pulley

    SMC
    Original price $56.15 - Original price $56.15
    Original price
    $56.15
    $56.15 - $56.15
    Current price $56.15

    The lightweight CRx has a stainless-steel axle and lightweight nylon sheave to maximize efficiency and provide the best strength to weight ratio. I...

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  • SMC Swiftwater Pulley

    SMC
    Original price $147.55 - Original price $147.55
    Original price
    $147.55
    $147.55 - $147.55
    Current price $147.55

    With the possible exception of rope it can be argued that a pulley is one of the most important components used in all forms of rescue as well as w...

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  • SPINLOCK BRS SPINNAKER BLOCK 50MM

    Lusty & Blundell
    Original price $267.00 - Original price $267.00
    Original price
    $267.00
    $267.00 - $267.00
    Current price $267.00

    Spinlock spinnaker block with lockoff cam for controlled spinnaker handling. This jammer block is for situations where a fixed foot block can?t he...

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  • SPINLOCK BRS SPINNAKER BLOCK 63MM

    Lusty & Blundell
    Original price $384.00 - Original price $384.00
    Original price
    $384.00
    $384.00 - $384.00
    Current price $384.00

    Spinlock spinnaker block with lockoff cam for controlled spinnaker handling. This jammer block is for situations where a fixed foot block can?t he...

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  • SPINLOCK WL/1 STANCHION LEAD BULLSEYE

    Lusty & Blundell
    Original price $35.90 - Original price $35.90
    Original price
    $35.90
    $35.90 - $35.90
    Current price $35.90

    Spinlock compact stanchion furling lead bullseye. Ideal for running furling lines aft to the cockpit.  - Compact and cost effective furling line gu...

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  • SPINLOCK WL/2 STANCHION LEAD BLOCK

    Lusty & Blundell
    Original price $53.90 - Original price $53.90
    Original price
    $53.90
    $53.90 - $53.90
    Current price $53.90

    Spinlock compact stanchion furling lead bullseye. Ideal for running furling lines aft to the cockpit.  - Compact and cost effective furling line gu...

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  • STEERING PULLEY 51.8MM

    CLEVECO
    Original price $38.04 - Original price $38.04
    Original price
    $38.04
    $38.04 - $38.04
    Current price $38.04

    Cleveco Ferrule Top Steering Pulley stainless steel with delrin sheaves 51 x 8mm (2" x 5/16") Single Sheave Breaking Strain: 454kgs Weight: 43g

  • STEERING PULLEY DOUBLE 51.8MM

    WHITE STAR
    Original price $53.85 - Original price $53.85
    Original price
    $53.85
    $53.85 - $53.85
    Current price $53.85

    Cleveco Ferrule Top Steering Pulley stainless steel with double delrin sheaves 51 x 8mm (2" x 5/16") Double Sheave Breaking Strain 907kgs Weight: 71g