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  1. 45mm Black Magic double loop block
    SKU: HK3390
    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.  Learn More
    €319.95 €319.95
    Harken
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  2. 45mm Black Magic loop block
    SKU: HK3389
    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Learn More
    €201.95 €201.95
    Harken
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  3. 57mm Block Single Loop (loop not included
    SKU: HK3214
    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Learn More
    €261.95 €261.95
    Harken
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  4. 57mm Aluminium Footblock - Lockoff
    SKU: HK3221
    Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets.  Learn More
    €293.95 €293.95
    Harken
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  5. 75mm Block Single Loop (loop not included
    SKU: HK3230
    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.  Learn More
    €473.95 €473.95
    Harken
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  6. 75mm Aluminium Footblock - Black Magic
    SKU: HK3234
    Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets.  Learn More
    €397.95 €397.95
    Harken
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  7. 75mm Footblock Double Black Magic
    SKU: HK3235
    Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets.  Learn More
    €689.95 €689.95
    Harken
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  8. 75mm Air Runner Block Single/Becket
    SKU: HK3239
    Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions.  Learn More
    €659.95 €659.95
    Harken
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  9. 100mm Air Runner Block Single
    SKU: HK3251
    Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions.  Learn More
    €872.95 €872.95
    Harken
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  10. 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
    Ronstan
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  11. 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
    Ronstan
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  12. 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
    Ronstan
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  13. 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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  14. 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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  15. Series 60 Core Block, Double Foot RF64251
    SKU: RF64251
    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
    €215.95 €215.95
    Ronstan
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  16. Series 60 Core Block, Fiddle, Snap Shackle RF64503
    SKU: RF64503
    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
    €227.95 €227.95
    Ronstan
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  1. Series
    Black Magic
  2. Series
    Series 60 Core
  3. Swivel
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Brands
  1. Harken 9 items
  2. Ronstan 7 items
Block type
  1. Becket 1 item
  2. Cheek 5 items
  3. Fiddle 1 item
  4. Loop 4 items
Series
  1. 16 mm 13 items
  2. Ball Bearing Block 48 items
  3. Black Magic 9 items
  4. Carbo 39 items
  5. Classic 17 items
  6. Control 11 items
  7. Dyna Blocks 1 item
  8. Element 9 items
  9. HTX 14 items
  10. Micro 18 items
  11. Plain bearing block 21 items
  12. Protexit 5 items
  13. Series 19 5 items
  14. Series 20 18 items
  15. Series 25 2 items
  16. Series 25 - 30 12 items
  17. Series 30 3 items
  18. Series 30 Orbit 12 items
  19. Series 40 2 items
  20. Series 40 Orbit 12 items
  21. Series 50 1 item
  22. Series 55 Orbit 13 items
  23. Series 60 Core 7 items
  24. Series 75 Core 3 items
  25. Synchro 6 items
  26. Wire block 12 items
  27. Zircon 8 items
Model
  1. 45 mm 2 items
  2. 57 mm 2 items
  3. 75 mm 4 items
  4. 100 mm 1 item
Bearing
  1. Plain bearing 7 items
  2. Needle bearing 9 items
Sheaves Ø
  1. 45 mm 2 items
  2. 100 mm 1 item
Max rope diameter
  1. 10 mm 2 items
  2. 12 mm 9 items
  3. 14 mm 4 items
  4. 16 mm 1 item
Number of sheaves
  1. 1 11 items
  2. 2 5 items
Breaking strength (kg)
  1. < 1500 2 items
  2. 1500 - 3000 9 items
  3. 3000 - 4500 1 item
  4. 4500 - 6000 3 items
  5. 6000 - 7500 1 item
Safe Working Load (kg)
  1. < 1500 11 items
  2. 1500 - 3000 4 items
  3. 3000 - 4500 1 item
Price
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