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  1. Series 30 BB Block, Upright Lead
    SKU: RF30171
    Single upright Learn More
    €27.75 €27.75
    Ronstan
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  2. Series 30 BB Block, Pivoting Lead
    SKU: RF30174
    180 degree pivoting sheave Learn More
    €57.49 €57.49
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  3. Series 30 BB Block, Exit With Cover Plate
    SKU: RF30711
    Ball bearing, single, cover plate Learn More
    €21.75 €21.75
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  4. Series 50 AP Block, Single RF51100
    SKU: RF51100
    Exceptionally high working loads
    Low maintenance, long service life     Learn More
    €31.75 €31.75
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  5. Series 50 AP Block, Single Loop Top RF51101
    SKU: RF51101
    Exceptionally high working loads
    Low maintenance, long service life
    Self-lubricating Acetal polymer sheave ensures low friction and extreme durability     Learn More
    €29.00 €29.00
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  6. Series 50 AP Block, Single Becket RF51110
    SKU: RF51110
    All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads Learn More
    €48.25 €48.25
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  7. Series 55 Ball Bearing Orbit Block Single RF55101
    SKU: RF55101
    Easily fitted and securely retained Dyneema Link head. Learn More
    €49.99 €49.99
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  8. Series 55 BB Orbit Block, Single, Becket, Swivel head RF55110
    SKU: RF55110
    Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points. Ultra low profile integrated becket. Learn More
    €52.99 €52.99
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  9. Series 55 Ball Bearing Orbit Block Single, becket RF55111
    SKU: RF55111
    Easily fitted and securely retained Dyneema Link head
    Ultra low profile becket     Learn More
    €52.99 €52.99
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  10. Series 55 BB Orbit Block, Cheek RF55151
    SKU: RF55151
    Cheek block with recessed underside to suit cruved mounting surface Learn More
    €52.99 €52.99
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  11. Series 55 BB Orbit Block, Upright Lead RF55171
    SKU: RF55171
    • Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
    • Halyard, Vang and Backstay application on boats to 8m (26ft)
    • Control line applications on larger yachts     Learn More
    €63.49 €63.49
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  12. Series 55 RT Orbit Block, Single Swivel Head RF56100
    SKU: RF56100
    Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points. Automatic & manual ratchet block Learn More
    €95.99 €95.99
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  13. Series 55 Ratchet Orbit Block Single, Auto & Manual RF56101
    SKU: RF56101
    Easily fitted and securely retained Dyneema® Link head. Automatic & manual ratchet block Learn More
    €90.99 €90.99
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  14. Series 55 RT Orbit Block, Cheek, Clockwise Rotation RF56151
    SKU: RF56151
    • Up to 20:1 holding power
    • Smooth easing of sheets
    • High performance cleating
    • Automatic & manual ratchet block     Learn More
    €89.49 €89.49
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  15. Series 55 RT Orbit Block, Cheek Anti-Clockwise Rotation RF56151A
    SKU: RF56151A
    Automatic & manual ratchet block Learn More
    €89.49 €89.49
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Now Shopping by
  1. Brands
    Harken
  2. Brands
    Ronstan
  3. Series
    Series 30
  4. Series
    Series 50
  5. Series
    Series 55 Orbit
  6. Number of sheaves
    1
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Brands
  1. Harken 0 items
  2. Ronstan 15 items
Block type
  1. Becket 1 item
  2. Cheek 3 items
  3. Exit block 1 item
  4. Stand-up 2 items
  5. Loop 3 items
Series
  1. 16 mm 11 items
  2. Black Magic 17 items
  3. Carbo 70 items
  4. Classic 12 items
  5. Element 17 items
  6. Micro 10 items
  7. Midrange 2 items
  8. Protexit 4 items
  9. Series 19 3 items
  10. Series 20 12 items
  11. Series 22 1 item
  12. Series 25 2 items
  13. Series 25 - 30 6 items
  14. Series 30 3 items
  15. Series 30 Orbit 7 items
  16. Series 40 6 items
  17. Series 40 Orbit 11 items
  18. Series 50 3 items
  19. Series 55 Orbit 9 items
  20. Series 60 1 item
  21. Series 60 Core 9 items
  22. Series 75 Core 5 items
  23. Wire block 12 items
  24. Zircon 4 items
Bearing
  1. Ball bearing 12 items
  2. Plain bearing 3 items
Swivel
  1. Yes 4 items
  2. No 11 items
Ratchet
  1. Yes 4 items
  2. No 11 items
Max rope diameter
  1. 8 mm 3 items
  2. 10 mm 9 items
  3. 12 mm 3 items
Breaking strength (kg)
  1. < 1500 12 items
  2. 1500 - 3000 3 items
Price
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