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  1. 40mm Zircon block
    SKU: HK2190
    Use the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets. Learn More
    €64.99 €64.99
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  2. 40mm Zircon block with becket
    SKU: HK2191
    Use the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets. Learn More
    €66.99 €66.99
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  3. 40mm Zircon double block
    SKU: HK2192
    Use the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets. Learn More
    €109.95 €109.95
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  4. 40mm Zircon double block with becket
    SKU: HK2193
    Use the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets. Learn More
    €116.95 €116.95
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  5. 57mm Zircon block
    SKU: HK2195
    Use the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets. Learn More
    €75.99 €75.99
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  6. 57mm Zircon block with becket
    SKU: HK2196
    Use the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets. Learn More
    €78.49 €78.49
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  7. 57mm Zircon double block
    SKU: HK2197
    Use the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets. Learn More
    €149.95 €149.95
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  8. 57mm Zircon double block with becket
    SKU: HK2198
    Use the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets. Learn More
    €157.95 €157.95
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  9. Low Friction Rings
    SKU: PRH130
    Low Friction rings are simple aluminum rings which can be spliced into lines. They are used to deflect sheets and control lines or for lashings. They are made of high strength aluminum. Available in 6 different sizes. Learn More
    From €7.95 €7.95
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  10. Lead Ring
    SKU: HK32
    Harken® Lead Rings are simple, weight-saving devices used to route line for jib in-haulers, twings, barberhaulers, lazy jacks, cascading backstays and other applications requiring minimal fine-tune adjustments. Rings are Hard Lube-anodized 6061-T6 aluminum for a smooth, slippery surface, and with no moving parts, wear is minimal. Learn More
    From €20.55 €20.55
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  11. Series 60 Core Block, Single RF64100
    SKU: RF64100
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €106.95 €106.95
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  12. Series 60 Core Block, Single, Alum. Rope/Wire Sheave RF64100AW
    SKU: RF64100AW
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €163.95 €163.95
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  13. Series 60 Core Block, Halyard RF64108
    SKU: RF64108
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €85.49 €85.49
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  14. Series 60 Core Block, Mast Base, 8mm Clevis Pin RF64108A
    SKU: RF64108A
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €77.49 €77.49
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  15. Series 60 Core Block, Halyard, Alum. Rope/Wire Sheave RF64108AW
    SKU: RF64108AW
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €156.95 €156.95
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  16. Series 60 Core Block, Single, Becket RF64110
    SKU: RF64110
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €136.95 €136.95
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  17. Series 60 Core Block, Becket, Cleat RF64130
    SKU: RF64130
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €233.95 €233.95
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  18. Series 60 Core Block, Stand-Up RF64140
    SKU: RF64140
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €211.95 €211.95
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  19. Series 60 Core Block, Foot RF64151
    SKU: RF64151
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €115.95 €115.95
    Ronstan
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  20. Series 60 Core Block, Double, Non-Swivel Head RF64202
    SKU: RF64202
    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
    €233.95 €233.95
    Ronstan
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Now Shopping by
  1. Series
    Midrange
  2. Series
    Series 60
  3. Series
    Series 60 Core
  4. Series
    Zircon
  5. Series
    Low friction Ring
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Brands
  1. Premiumropes 1 item
  2. Harken 13 items
  3. Ronstan 15 items
Block type
  1. Becket 5 items
  2. Cheek 2 items
  3. Stand-up 1 item
  4. Fiddle 4 items
  5. Fiddle / becket 1 item
  6. Low friction ring 2 items
Series
  1. 16 mm 16 items
  2. Ball Bearing Block 63 items
  3. Black Magic 23 items
  4. Carbo 141 items
  5. Classic 17 items
  6. Control 36 items
  7. Dyna Blocks 1 item
  8. Element 46 items
  9. HTX 47 items
  10. Low friction Ring 2 items
  11. Micro 19 items
  12. Midrange 4 items
  13. Orbit 4 items
  14. Plain bearing block 70 items
  15. Protexit 5 items
  16. Series 19 5 items
  17. Series 20 19 items
  18. Series 22 1 item
  19. Series 25 2 items
  20. Series 25 - 30 12 items
  21. Series 30 4 items
  22. Series 30 Orbit 15 items
  23. Series 40 10 items
  24. Series 40 Orbit 16 items
  25. Series 50 9 items
  26. Series 55 Orbit 16 items
  27. Series 60 1 item
  28. Series 60 Core 14 items
  29. Series 75 Core 6 items
  30. Shock 2 items
  31. Snatch 3 items
  32. Synchro 49 items
  33. Wire block 12 items
  34. Zircon 8 items
Bearing
  1. Ball bearing 12 items
  2. Plain bearing 15 items
Sheaves Ø
  1. 40 mm 4 items
  2. 57 mm 4 items
Cam
  1. Yes 3 items
  2. No 24 items
Swivel
  1. Yes 12 items
  2. No 15 items
Ratchet
  1. No 27 items
Max rope diameter
  1. 3 mm 1 item
  2. 4 mm 1 item
  3. 5 mm 2 items
  4. 6 mm 1 item
  5. 7 mm 1 item
  6. 8 mm 5 items
  7. 10 mm 6 items
  8. 12 mm 14 items
  9. 14 mm 7 items
  10. 20 mm 2 items
  11. 28 mm 1 item
Number of sheaves
  1. 1 16 items
  2. 2 11 items
Breaking strength (kg)
  1. < 1500 11 items
  2. 1500 - 3000 17 items
  3. 3000 - 4500 1 item
  4. 6000 - 7500 1 item
  5. > 9000 1 item
Safe Working Load (kg)
  1. < 1500 27 items
Price
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