Skip to content
FREE SHIPPING COSTS FOR ORDERS OVER $400! *Excludes Bulk and Heavy Goods*
FREE SHIPPING COSTS FOR ORDERS OVER $400! *Excludes Bulk and Heavy Goods*

Blocks

  • Sale Sale

    Ronstan S20 BB Block,Single Loop Top (RF20101)

    Ronstan
    $18.18
    $18.18 - $18.18
    $18.18
    $14.54
    $14.54 - $14.54
    $14.54

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

    View full details
    $18.18
    $18.18 - $18.18
    $18.18
    $14.54
    $14.54 - $14.54
    $14.54
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Single (RF20100)

    Ronstan
    $27.27
    $27.27 - $27.27
    $27.27
    $21.82
    $21.82 - $21.82
    $21.82

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

    View full details
    $27.27
    $27.27 - $27.27
    $27.27
    $21.82
    $21.82 - $21.82
    $21.82
    Sale Sale
  • Sale Sale

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

    Ronstan
    $66.66
    $66.66 - $66.66
    $66.66
    $53.33
    $53.33 - $53.33
    $53.33

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

    View full details
    $66.66
    $66.66 - $66.66
    $66.66
    $53.33
    $53.33 - $53.33
    $53.33
    Sale Sale
  • Sale Sale

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

    Ronstan
    $22.22
    $22.22 - $22.22
    $22.22
    $17.78
    $17.78 - $17.78
    $17.78

    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...

    View full details
    $22.22
    $22.22 - $22.22
    $22.22
    $17.78
    $17.78 - $17.78
    $17.78
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Double (RF20202)

    Ronstan
    $44.44
    $44.44 - $44.44
    $44.44
    $35.55
    $35.55 - $35.55
    $35.55

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

    View full details
    $44.44
    $44.44 - $44.44
    $44.44
    $35.55
    $35.55 - $35.55
    $35.55
    Sale Sale
  • Sale Sale

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

    Ronstan
    $30.30
    $30.30 - $30.30
    $30.30
    $24.24
    $24.24 - $24.24
    $24.24

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

    View full details
    $30.30
    $30.30 - $30.30
    $30.30
    $24.24
    $24.24 - $24.24
    $24.24
    Sale Sale
  • Sale Sale

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

    Ronstan
    $21.21
    $21.21 - $21.21
    $21.21
    $16.97
    $16.97 - $16.97
    $16.97

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

    View full details
    $21.21
    $21.21 - $21.21
    $21.21
    $16.97
    $16.97 - $16.97
    $16.97
    Sale Sale
  • Sale Sale

    Ronstan Large SHOCK "the SHeaveless blOCK" (RF8081)

    Ronstan
    $23.23
    $23.23 - $23.23
    $23.23
    $18.58
    $18.58 - $18.58
    $18.58

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

    View full details
    $23.23
    $23.23 - $23.23
    $23.23
    $18.58
    $18.58 - $18.58
    $18.58
    Sale Sale
  • Sale Sale

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

    Ronstan
    $29.47
    $29.47 - $29.47
    $29.47
    $23.58
    $23.58 - $23.58
    $23.58

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

    View full details
    $29.47
    $29.47 - $29.47
    $29.47
    $23.58
    $23.58 - $23.58
    $23.58
    Sale Sale
  • Sale Sale

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

    Ronstan
    $92.92
    $92.92 - $92.92
    $92.92
    $74.34
    $74.34 - $74.34
    $74.34

    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...

    View full details
    $92.92
    $92.92 - $92.92
    $92.92
    $74.34
    $74.34 - $74.34
    $74.34
    Sale Sale
  • Sale Sale

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

    Ronstan
    $45.45
    $45.45 - $45.45
    $45.45
    $36.36
    $36.36 - $36.36
    $36.36

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

    View full details
    $45.45
    $45.45 - $45.45
    $45.45
    $36.36
    $36.36 - $36.36
    $36.36
    Sale Sale
  • Sale Sale

    Ronstan S15 BB Block, Single, Hook (RF15180)

    Ronstan
    $29.29
    $29.29 - $29.29
    $29.29
    $23.43
    $23.43 - $23.43
    $23.43

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

    View full details
    $29.29
    $29.29 - $29.29
    $29.29
    $23.43
    $23.43 - $23.43
    $23.43
    Sale Sale
  • Sale Sale

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

    Ronstan
    $17.17
    $17.17 - $17.17
    $17.17
    $13.74
    $13.74 - $13.74
    $13.74

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

    View full details
    $17.17
    $17.17 - $17.17
    $17.17
    $13.74
    $13.74 - $13.74
    $13.74
    Sale Sale
  • Sale Sale

    Harken 16 mm Air Block with O Ring (HK404)

    Harken
    $38.25
    $38.25 - $38.25
    $38.25
    $30.60
    $30.60 - $30.60
    $30.60

    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
    $38.25
    $38.25 - $38.25
    $38.25
    $30.60
    $30.60 - $30.60
    $30.60
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Triple Cleat Becket (RF20332)

    Ronstan
    $111.10
    $111.10 - $111.10
    $111.10
    $88.88
    $88.88 - $88.88
    $88.88

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

    View full details
    $111.10
    $111.10 - $111.10
    $111.10
    $88.88
    $88.88 - $88.88
    $88.88
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Triple (RF20302)

    Ronstan
    $69.69
    $69.69 - $69.69
    $69.69
    $55.75
    $55.75 - $55.75
    $55.75

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

    View full details
    $69.69
    $69.69 - $69.69
    $69.69
    $55.75
    $55.75 - $55.75
    $55.75
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Upright Lead (RF20171)

    Ronstan
    $24.24
    $24.24 - $24.24
    $24.24
    $19.39
    $19.39 - $19.39
    $19.39

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

    View full details
    $24.24
    $24.24 - $24.24
    $24.24
    $19.39
    $19.39 - $19.39
    $19.39
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Single Cheek (RF20151)

    Ronstan
    $23.23
    $23.23 - $23.23
    $23.23
    $18.58
    $18.58 - $18.58
    $18.58

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

    View full details
    $23.23
    $23.23 - $23.23
    $23.23
    $18.58
    $18.58 - $18.58
    $18.58
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Stand-Up Loop Top (RF20141)

    Ronstan
    $32.32
    $32.32 - $32.32
    $32.32
    $25.86
    $25.86 - $25.86
    $25.86

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

    View full details
    $32.32
    $32.32 - $32.32
    $32.32
    $25.86
    $25.86 - $25.86
    $25.86
    Sale Sale
  • Sale Sale

    Harken Micro Stand Up Block (HK243)

    Harken
    $45.30
    $45.30 - $45.30
    $45.30
    $36.24
    $36.24 - $36.24
    $36.24

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

    View full details
    $45.30
    $45.30 - $45.30
    $45.30
    $36.24
    $36.24 - $36.24
    $36.24
    Sale Sale
  • Sale Sale

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

    Ronstan
    $43.43
    $43.43 - $43.43
    $43.43
    $34.74
    $34.74 - $34.74
    $34.74

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

    View full details
    $43.43
    $43.43 - $43.43
    $43.43
    $34.74
    $34.74 - $34.74
    $34.74
    Sale Sale
  • Sale Sale

    Ronstan S15 BB Block, Upright Lead (RF15171)

    Ronstan
    $23.23
    $23.23 - $23.23
    $23.23
    $18.58
    $18.58 - $18.58
    $18.58

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

    View full details
    $23.23
    $23.23 - $23.23
    $23.23
    $18.58
    $18.58 - $18.58
    $18.58
    Sale Sale
  • Sale Sale

    Ronstan S15 BB Block, Cheek (RF15151)

    Ronstan
    $22.22
    $22.22 - $22.22
    $22.22
    $17.78
    $17.78 - $17.78
    $17.78

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

    View full details
    $22.22
    $22.22 - $22.22
    $22.22
    $17.78
    $17.78 - $17.78
    $17.78
    Sale Sale
  • Sale Sale

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

    Ronstan
    $25.25
    $25.25 - $25.25
    $25.25
    $20.20
    $20.20 - $20.20
    $20.20

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

    View full details
    $25.25
    $25.25 - $25.25
    $25.25
    $20.20
    $20.20 - $20.20
    $20.20
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Triple Becket (RF20312)

    Ronstan
    $72.72
    $72.72 - $72.72
    $72.72
    $58.18
    $58.18 - $58.18
    $58.18

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

    View full details
    $72.72
    $72.72 - $72.72
    $72.72
    $58.18
    $58.18 - $58.18
    $58.18
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Blocks,Loop Top Linked (RF20284)

    Ronstan
    $37.82
    $37.82 - $37.82
    $37.82
    $30.26
    $30.26 - $30.26
    $30.26

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

    View full details
    $37.82
    $37.82 - $37.82
    $37.82
    $30.26
    $30.26 - $30.26
    $30.26
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Double Becket (RF20212)

    Ronstan
    $47.47
    $47.47 - $47.47
    $47.47
    $37.98
    $37.98 - $37.98
    $37.98

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

    View full details
    $47.47
    $47.47 - $47.47
    $47.47
    $37.98
    $37.98 - $37.98
    $37.98
    Sale Sale
  • Sale Sale

    Ronstan S20 BB Block,Pivoting Lead (RF20174)

    Ronstan
    $42.42
    $42.42 - $42.42
    $42.42
    $33.94
    $33.94 - $33.94
    $33.94

    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...

    View full details
    $42.42
    $42.42 - $42.42
    $42.42
    $33.94
    $33.94 - $33.94
    $33.94
    Sale Sale
  • Sale Sale

    Harken Single Micro Block (HK224)

    Harken
    $32.46
    $32.46 - $32.46
    $32.46
    $25.97
    $25.97 - $25.97
    $25.97

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

    View full details
    $32.46
    $32.46 - $32.46
    $32.46
    $25.97
    $25.97 - $25.97
    $25.97
    Sale Sale
  • Sale Sale

    Optimist Harken Sprit Block (EX1351H)

    Harken
    $68.00
    $68.00 - $68.00
    $68.00
    $54.40
    $54.40 - $54.40
    $54.40

    Hook-in block, ball bearing as used on the Optimist Blackgold racing masts.Due to the curved saddle the block for Optimist sailing rests against th...

    View full details
    $68.00
    $68.00 - $68.00
    $68.00
    $54.40
    $54.40 - $54.40
    $54.40
    Sale Sale
  • Sale Sale

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

    Ronstan
    $58.58
    $58.58 - $58.58
    $58.58
    $46.86
    $46.86 - $46.86
    $46.86

    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!...

    View full details
    $58.58
    $58.58 - $58.58
    $58.58
    $46.86
    $46.86 - $46.86
    $46.86
    Sale Sale
  • Sale Sale

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

    Ronstan
    $141.63
    $141.63 - $141.63
    $141.63
    $113.30
    $113.30 - $113.30
    $113.30

    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 ...

    View full details
    $141.63
    $141.63 - $141.63
    $141.63
    $113.30
    $113.30 - $113.30
    $113.30
    Sale Sale
  • Sale Sale

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

    Ronstan
    $39.39
    $39.39 - $39.39
    $39.39
    $31.51
    $31.51 - $31.51
    $31.51

    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...

    View full details
    $39.39
    $39.39 - $39.39
    $39.39
    $31.51
    $31.51 - $31.51
    $31.51
    Sale Sale
  • Sale Sale

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

    Ronstan
    $69.69
    $69.69 - $69.69
    $69.69
    $55.75
    $55.75 - $55.75
    $55.75

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

    View full details
    $69.69
    $69.69 - $69.69
    $69.69
    $55.75
    $55.75 - $55.75
    $55.75
    Sale Sale
  • Sale Sale

    Ronstan S15 BB Block, Pivoting Lead (RF15174)

    Ronstan
    $41.41
    $41.41 - $41.41
    $41.41
    $33.13
    $33.13 - $33.13
    $33.13

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

    View full details
    $41.41
    $41.41 - $41.41
    $41.41
    $33.13
    $33.13 - $33.13
    $33.13
    Sale Sale
  • Sale Sale

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

    Ronstan
    $31.31
    $31.31 - $31.31
    $31.31
    $25.05
    $25.05 - $25.05
    $25.05

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

    View full details
    $31.31
    $31.31 - $31.31
    $31.31
    $25.05
    $25.05 - $25.05
    $25.05
    Sale Sale
  • Sale Sale

    Harken 16mm Anti-Capsize Block (HK442)

    Harken
    $57.92
    $57.92 - $57.92
    $57.92
    $46.34
    $46.34 - $46.34
    $46.34

    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
    $57.92
    $57.92 - $57.92
    $57.92
    $46.34
    $46.34 - $46.34
    $46.34
    Sale Sale
  • Sale Sale

    Harken 16mm Flip Flop Block (HK437)

    Harken
    $101.27
    $101.27 - $101.27
    $101.27
    $81.02
    $81.02 - $81.02
    $81.02

    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...

    View full details
    $101.27
    $101.27 - $101.27
    $101.27
    $81.02
    $81.02 - $81.02
    $81.02
    Sale Sale
  • Sale Sale

    Harken 16mm Pivoting Cheek Air Block (HK432)

    Harken
    $47.94
    $47.94 - $47.94
    $47.94
    $38.35
    $38.35 - $38.35
    $38.35

    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
    $47.94
    $47.94 - $47.94
    $47.94
    $38.35
    $38.35 - $38.35
    $38.35
    Sale Sale
  • Sale Sale

    Harken 16mm Swivel Air Block (HK417)

    Harken
    $69.21
    $69.21 - $69.21
    $69.21
    $55.37
    $55.37 - $55.37
    $55.37

    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
    $69.21
    $69.21 - $69.21
    $69.21
    $55.37
    $55.37 - $55.37
    $55.37
    Sale Sale
  • Sale Sale

    Harken 16mm Cheek Air Block (HK416)

    Harken
    $44.50
    $44.50 - $44.50
    $44.50
    $35.60
    $35.60 - $35.60
    $35.60

    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
    $44.50
    $44.50 - $44.50
    $44.50
    $35.60
    $35.60 - $35.60
    $35.60
    Sale Sale
  • Sale Sale

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

    Harken
    $118.87
    $118.87 - $118.87
    $118.87
    $95.10
    $95.10 - $95.10
    $95.10

    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
    $118.87
    $118.87 - $118.87
    $118.87
    $95.10
    $95.10 - $95.10
    $95.10
    Sale Sale
  • Sale Sale

    Harken 16 mm Triple Air Block (HK408)

    Harken
    $112.97
    $112.97 - $112.97
    $112.97
    $90.38
    $90.38 - $90.38
    $90.38

    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
    $112.97
    $112.97 - $112.97
    $112.97
    $90.38
    $90.38 - $90.38
    $90.38
    Sale Sale
  • Sale Sale

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

    Harken
    $87.45
    $87.45 - $87.45
    $87.45
    $69.96
    $69.96 - $69.96
    $69.96

    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
    $87.45
    $87.45 - $87.45
    $87.45
    $69.96
    $69.96 - $69.96
    $69.96
    Sale Sale
  • Sale Sale

    Harken 16 mm Double Air Block (HK406)

    Harken
    $79.82
    $79.82 - $79.82
    $79.82
    $63.86
    $63.86 - $63.86
    $63.86

    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
    $79.82
    $79.82 - $79.82
    $79.82
    $63.86
    $63.86 - $63.86
    $63.86
    Sale Sale
  • Sale Sale

    Harken 16 mm Air Block w/Becket (HK405)

    Harken
    $43.98
    $43.98 - $43.98
    $43.98
    $35.18
    $35.18 - $35.18
    $35.18

    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
    $43.98
    $43.98 - $43.98
    $43.98
    $35.18
    $35.18 - $35.18
    $35.18
    Sale Sale
  • Sale Sale

    Harken 16mm Forkhead Block (HK376)

    Harken
    $54.99
    $54.99 - $54.99
    $54.99
    $43.99
    $43.99 - $43.99
    $43.99

    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
    $54.99
    $54.99 - $54.99
    $54.99
    $43.99
    $43.99 - $43.99
    $43.99
    Sale Sale
  • Sale Sale

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

    Riley
    $39.60
    $39.60 - $39.60
    $39.60
    $31.68
    $31.68 - $31.68
    $31.68

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

    View full details
    $39.60
    $39.60 - $39.60
    $39.60
    $31.68
    $31.68 - $31.68
    $31.68
    Sale Sale