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Blocks

  • Ronstan S20 BB Block,Single (RF20100)

    Ronstan
    $24.74 - $24.74
    $24.74
    $24.74
    $24.74 - $24.74
    $24.74

    Precision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Features: Low f...

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    $24.74 - $24.74
    $24.74
    $24.74
    $24.74 - $24.74
    $24.74

  • Ronstan S15 BB Block, Triple, Loop top head (RF15302)

    Ronstan
    $59.83 - $59.83
    $59.83
    $59.83
    $59.83 - $59.83
    $59.83

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $59.83 - $59.83
    $59.83
    $59.83
    $59.83 - $59.83
    $59.83

  • Ronstan S20 BB Block,Single Loop Top (RF20101)

    Ronstan
    $16.61 - $16.61
    $16.61
    $16.61
    $16.61 - $16.61
    $16.61

    Precision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Can be fitted with...

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    $16.61 - $16.61
    $16.61
    $16.61
    $16.61 - $16.61
    $16.61

  • Ronstan S20 BB Orbit Block, Single, Becket, Lashing (RF25109)

    Ronstan
    $19.77 - $19.77
    $19.77
    $19.77
    $19.77 - $19.77
    $19.77

    The incredible Series 20 Orbit Block is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It's so light that it needs to be lashe...

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    $19.77 - $19.77
    $19.77
    $19.77
    $19.77 - $19.77
    $19.77

  • Ronstan Large SHOCK "the SHeaveless blOCK" (RF8081)

    Ronstan
    $18.56 - $18.56
    $18.56
    $18.56
    $18.56 - $18.56
    $18.56

    Available in two colour options - blue and red with several attachment options, including webbing, pigtail, lashing and dyneema links, it will be t...

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    $18.56 - $18.56
    $18.56
    $18.56
    $18.56 - $18.56
    $18.56
  • Contact us

    Ronstan S20 BB Block,Single Exit,Side Tabs (RF20711A)

    Ronstan
    $26.52 - $26.52
    $26.52
    $26.52
    $26.52 - $26.52
    $26.52

    Precision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Sheave  20 mm...

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    $26.52 - $26.52
    $26.52
    $26.52
    $26.52 - $26.52
    $26.52
    Contact us

  • Ronstan S20 BB Block,Single Swivel Hook Head (RF20180)

    Ronstan
    $27.08 - $27.08
    $27.08
    $27.08
    $27.08 - $27.08
    $27.08

    Precision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Features: Low fr...

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    $27.08 - $27.08
    $27.08
    $27.08
    $27.08 - $27.08
    $27.08

  • Ronstan S15 BB Block, Single, Loop top head, Becket (RF15111)

    Ronstan
    $19.14 - $19.14
    $19.14
    $19.14
    $19.14 - $19.14
    $19.14

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $19.14 - $19.14
    $19.14
    $19.14
    $19.14 - $19.14
    $19.14

  • Harken 16 mm Air Block with O Ring (HK404)

    Harken
    $33.06 - $33.06
    $33.06
    $33.06
    $33.06 - $33.06
    $33.06

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

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    $33.06 - $33.06
    $33.06
    $33.06
    $33.06 - $33.06
    $33.06

  • Ronstan S20 BB Block,Upright Lead (RF20171)

    Ronstan
    $21.41 - $21.41
    $21.41
    $21.41
    $21.41 - $21.41
    $21.41

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

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    $21.41 - $21.41
    $21.41
    $21.41
    $21.41 - $21.41
    $21.41

  • Ronstan S15 BB Block, Double, Loop top, Becket (RF15212)

    Ronstan
    $41.27 - $41.27
    $41.27
    $41.27
    $41.27 - $41.27
    $41.27

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $41.27 - $41.27
    $41.27
    $41.27
    $41.27 - $41.27
    $41.27

  • Ronstan S15 BB Block, Double, Loop top head (RF15202)

    Ronstan
    $38.69 - $38.69
    $38.69
    $38.69
    $38.69 - $38.69
    $38.69

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $38.69 - $38.69
    $38.69
    $38.69
    $38.69 - $38.69
    $38.69

  • Ronstan S15 BB Block, Single, Hook (RF15180)

    Ronstan
    $26.03 - $26.03
    $26.03
    $26.03
    $26.03 - $26.03
    $26.03

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $26.03 - $26.03
    $26.03
    $26.03
    $26.03 - $26.03
    $26.03

  • Ronstan S15 BB Block, Upright Lead (RF15171)

    Ronstan
    $20.60 - $20.60
    $20.60
    $20.60
    $20.60 - $20.60
    $20.60

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $20.60 - $20.60
    $20.60
    $20.60
    $20.60 - $20.60
    $20.60

  • Ronstan S15 BB Block, Single, Loop top head (RF15101)

    Ronstan
    $15.68 - $15.68
    $15.68
    $15.68
    $15.68 - $15.68
    $15.68

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $15.68 - $15.68
    $15.68
    $15.68
    $15.68 - $15.68
    $15.68

  • Ronstan S20 BB Block,Triple Cleat Becket (RF20332)

    Ronstan
    $97.76 - $97.76
    $97.76
    $97.76
    $97.76 - $97.76
    $97.76

    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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    $97.76 - $97.76
    $97.76
    $97.76
    $97.76 - $97.76
    $97.76

  • Ronstan S20 BB Block,Double Becket (RF20212)

    Ronstan
    $42.93 - $42.93
    $42.93
    $42.93
    $42.93 - $42.93
    $42.93

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

    View full details
    $42.93 - $42.93
    $42.93
    $42.93
    $42.93 - $42.93
    $42.93

  • Ronstan S20 BB Block,Double (RF20202)

    Ronstan
    $40.24 - $40.24
    $40.24
    $40.24
    $40.24 - $40.24
    $40.24

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

    View full details
    $40.24 - $40.24
    $40.24
    $40.24
    $40.24 - $40.24
    $40.24

  • Ronstan S20 BB Block,Pivoting Lead,Cleat (RF20175)

    Ronstan
    $81.72 - $81.72
    $81.72
    $81.72
    $81.72 - $81.72
    $81.72

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

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    $81.72 - $81.72
    $81.72
    $81.72
    $81.72 - $81.72
    $81.72

  • Ronstan S20 BB Block,Pivoting Lead (RF20174)

    Ronstan
    $38.46 - $38.46
    $38.46
    $38.46
    $38.46 - $38.46
    $38.46

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

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    $38.46 - $38.46
    $38.46
    $38.46
    $38.46 - $38.46
    $38.46

  • Ronstan S20 BB Block,Single Cheek (RF20151)

    Ronstan
    $20.38 - $20.38
    $20.38
    $20.38
    $20.38 - $20.38
    $20.38

    Precision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Features: Low f...

    View full details
    $20.38 - $20.38
    $20.38
    $20.38
    $20.38 - $20.38
    $20.38

  • Harken Micro Stand Up Block (HK243)

    Harken
    $39.15 - $39.15
    $39.15
    $39.15
    $39.15 - $39.15
    $39.15

    Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

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    $39.15 - $39.15
    $39.15
    $39.15
    $39.15 - $39.15
    $39.15

  • Ronstan S20 BB Orbit Block, Triple, Becket, Lashing (RF25309)

    Ronstan
    $53.02 - $53.02
    $53.02
    $53.02
    $53.02 - $53.02
    $53.02

    The incredible Series 20 Orbit Block is capable of loads up to 300kg while weighing a mere 21 grams. It's so light that it needs to be lashed down!...

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    $53.02 - $53.02
    $53.02
    $53.02
    $53.02 - $53.02
    $53.02

  • Ronstan S20 BB HHL Orbit Block, Double, Becket, Lashing (RF25209HL)

    Ronstan
    $127.46 - $127.46
    $127.46
    $127.46
    $127.46 - $127.46
    $127.46

    The incredible HHL Series 20 Orbit Block is capable of working loads of up to 450kg while weighing a mere 26 grams. It's so light that it needs to ...

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    $127.46 - $127.46
    $127.46
    $127.46
    $127.46 - $127.46
    $127.46

  • Ronstan S20 BB Orbit Block, Double, Becket, Lashing (RF25209)

    Ronstan
    $35.18 - $35.18
    $35.18
    $35.18
    $35.18 - $35.18
    $35.18

    The incredible Series 20 Orbit Block is capable of working loads of up to 300kg while weighing a mere 14 grams. It's so light that it needs to be l...

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    $35.18 - $35.18
    $35.18
    $35.18
    $35.18 - $35.18
    $35.18

  • Ronstan S15 BB Block, Triple, Loop top, Becket (RF15312)

    Ronstan
    $63.13 - $63.13
    $63.13
    $63.13
    $63.13 - $63.13
    $63.13

    Ronstan's smallest and lightest ball bearing blocks.   Features: Smallest and lightest ball bearing block available Precision moulded acetal sheav...

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    $63.13 - $63.13
    $63.13
    $63.13
    $63.13 - $63.13
    $63.13

  • Ronstan S15 BB Block, Pivoting Lead (RF15174)

    Ronstan
    $36.99 - $36.99
    $36.99
    $36.99
    $36.99 - $36.99
    $36.99

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $36.99 - $36.99
    $36.99
    $36.99
    $36.99 - $36.99
    $36.99

  • Ronstan S15 BB Block, Cheek (RF15151)

    Ronstan
    $19.60 - $19.60
    $19.60
    $19.60
    $19.60 - $19.60
    $19.60

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $19.60 - $19.60
    $19.60
    $19.60
    $19.60 - $19.60
    $19.60

  • Ronstan S15 BB Block, Single, Stand-up (RF15141)

    Ronstan
    $27.82 - $27.82
    $27.82
    $27.82
    $27.82 - $27.82
    $27.82

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

    View full details
    $27.82 - $27.82
    $27.82
    $27.82
    $27.82 - $27.82
    $27.82

  • Ronstan S15 BB Block, Single, Swivel shackle head (RF15100)

    Ronstan
    $22.61 - $22.61
    $22.61
    $22.61
    $22.61 - $22.61
    $22.61

    Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave...

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    $22.61 - $22.61
    $22.61
    $22.61
    $22.61 - $22.61
    $22.61

  • Harken 16mm Anti-Capsize Block (HK442)

    Harken
    $50.01 - $50.01
    $50.01
    $50.01
    $50.01 - $50.01
    $50.01

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

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    $50.01 - $50.01
    $50.01
    $50.01
    $50.01 - $50.01
    $50.01

  • Harken 16mm Flip Flop Block (HK437)

    Harken
    $87.49 - $87.49
    $87.49
    $87.49
    $87.49 - $87.49
    $87.49

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies.The patented bearing system uses s...

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    $87.49 - $87.49
    $87.49
    $87.49
    $87.49 - $87.49
    $87.49

  • Harken 16mm Pivoting Cheek Air Block (HK432)

    Harken
    $41.44 - $41.44
    $41.44
    $41.44
    $41.44 - $41.44
    $41.44

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $41.44 - $41.44
    $41.44
    $41.44
    $41.44 - $41.44
    $41.44

  • Harken 16mm Swivel Air Block (HK417)

    Harken
    $59.81 - $59.81
    $59.81
    $59.81
    $59.81 - $59.81
    $59.81

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $59.81 - $59.81
    $59.81
    $59.81
    $59.81 - $59.81
    $59.81

  • Harken 16mm Cheek Air Block (HK416)

    Harken
    $38.44 - $38.44
    $38.44
    $38.44
    $38.44 - $38.44
    $38.44

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $38.44 - $38.44
    $38.44
    $38.44
    $38.44 - $38.44
    $38.44

  • Harken 16 mm Triple Air Block w/Becket (HK409)

    Harken
    $102.67 - $102.67
    $102.67
    $102.67
    $102.67 - $102.67
    $102.67

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $102.67 - $102.67
    $102.67
    $102.67
    $102.67 - $102.67
    $102.67

  • Harken 16 mm Triple Air Block (HK408)

    Harken
    $97.60 - $97.60
    $97.60
    $97.60
    $97.60 - $97.60
    $97.60

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $97.60 - $97.60
    $97.60
    $97.60
    $97.60 - $97.60
    $97.60

  • Harken 16 mm Double Air Block w/Becket (HK407)

    Harken
    $75.56 - $75.56
    $75.56
    $75.56
    $75.56 - $75.56
    $75.56

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $75.56 - $75.56
    $75.56
    $75.56
    $75.56 - $75.56
    $75.56

  • Harken 16 mm Double Air Block (HK406)

    Harken
    $68.96 - $68.96
    $68.96
    $68.96
    $68.96 - $68.96
    $68.96

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $68.96 - $68.96
    $68.96
    $68.96
    $68.96 - $68.96
    $68.96

  • Harken 16 mm Air Block w/Becket (HK405)

    Harken
    $37.98 - $37.98
    $37.98
    $37.98
    $37.98 - $37.98
    $37.98

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $37.98 - $37.98
    $37.98
    $37.98
    $37.98 - $37.98
    $37.98

  • Harken 16mm Forkhead Block (HK376)

    Harken
    $47.53 - $47.53
    $47.53
    $47.53
    $47.53 - $47.53
    $47.53

    The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

    View full details
    $47.53 - $47.53
    $47.53
    $47.53
    $47.53 - $47.53
    $47.53

  • Block 21mm Swive Roller /BRNG & BECKT (RM805B)

    Riley
    $35.64 - $35.64
    $35.64
    $35.64
    $35.64 - $35.64
    $35.64

    Single Sheave Becketted Swivel Block * 21mm x 8mm Sheave Breaking Load: 650kg * Supplied with 4mm (5/32") Shackle and locking block Becket Yes...

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    $35.64 - $35.64
    $35.64
    $35.64
    $35.64 - $35.64
    $35.64

  • Block Triple 21mm ROL/BRG & BCKT (RM803B)

    Riley
    $73.17 - $73.17
    $73.17
    $73.17
    $73.17 - $73.17
    $73.17

    Triple sheave becketted bullet block. Red roller range 21x8mm sheaves Breaking Load: 1500Kg Becket Yes Breaking Load 1500kg Max Line Size ...

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    $73.17 - $73.17
    $73.17
    $73.17
    $73.17 - $73.17
    $73.17

  • Block Triple 21mm Loop ROL/BRNG (RM803)

    Riley
    $68.31 - $68.31
    $68.31
    $68.31
    $68.31 - $68.31
    $68.31

    Triple sheave bullet block. Red roller range 21x8mm sheaves Breaking Load: 1500Kg Becket No Breaking Load 1500kg Max Line Size 6mm Mount...

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    $68.31 - $68.31
    $68.31
    $68.31
    $68.31 - $68.31
    $68.31
  • Contact us

    Block Double21mm ROL/BRG & BECKT (RM802B)

    Riley
    $50.40 - $50.40
    $50.40
    $50.40
    $50.40 - $50.40
    $50.40

    Double sheave becketted bullet block. Red roller range 21x8mm sheaves Breaking Load: 1250Kg Becket Yes Breaking Load 1250kg Max Line Size ...

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    $50.40 - $50.40
    $50.40
    $50.40
    $50.40 - $50.40
    $50.40
    Contact us
  • Contact us

    Ronstan S20 HL Block,Single Exit,Cover Plate (RF20711HL)

    Ronstan
    $33.87 - $33.87
    $33.87
    $33.87
    $33.87 - $33.87
    $33.87

    Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire ...

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    $33.87 - $33.87
    $33.87
    $33.87
    $33.87 - $33.87
    $33.87
    Contact us

  • Ronstan S20 BB Block,Single Exit,Cover Plate (RF20711)

    Ronstan
    $26.52 - $26.52
    $26.52
    $26.52
    $26.52 - $26.52
    $26.52

    Precision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Sheave  20 m...

    View full details
    $26.52 - $26.52
    $26.52
    $26.52
    $26.52 - $26.52
    $26.52

  • Ronstan S20 BB Block,Triple Becket (RF20312)

    Ronstan
    $65.65 - $65.65
    $65.65
    $65.65
    $65.65 - $65.65
    $65.65

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

    View full details
    $65.65 - $65.65
    $65.65
    $65.65
    $65.65 - $65.65
    $65.65