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  1. 100mm Block Single / Swivel
    SKU: HK3246
    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
    €671.95 €671.95
    Harken
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  2. 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
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  3. 100mm Block Stand-Up (incl. padeye
    SKU: HK3254
    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. 
     Learn More
    €866.95 €866.95
    Harken
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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
    Ronstan
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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
    Ronstan
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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
    Ronstan
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  7. Series 50 AP Block, Double RF51200
    SKU: RF51200
    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
    €78.99 €78.99
    Ronstan
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  8. Series 50 AP Block, Double, Becket RF51210
    SKU: RF51210
    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
    €100.95 €100.95
    Ronstan
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  9. Series 50 AP Block, Triple RF51300
    SKU: RF51300
    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
    €104.95 €104.95
    Ronstan
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  10. Series 50 AP Block, Fiddle RF51500
    SKU: RF51500
    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
    €55.49 €55.49
    Ronstan
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  11. Series 50 AP Block, Fiddle, Becket RF51510
    SKU: RF51510
    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
    €72.99 €72.99
    Ronstan
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  12. Series 75 Core Block, Single RF74100
    SKU: RF74100
    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
    €125.95 €125.95
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  13. Series 75 Core Block, Halyard RF74108
    SKU: RF74108
    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
    €102.95 €102.95
    Ronstan
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  14. Series 75 Core Block, Single, Becket RF74110
    SKU: RF74110
    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
    €159.95 €159.95
    Ronstan
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  15. Series 75 Core Block, Stand-Up RF74140
    SKU: RF74140
    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
    €235.95 €235.95
    Ronstan
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  16. Series 75 Core Block, Foot RF74151
    SKU: RF74151
    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
    €133.95 €133.95
    Ronstan
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  17. Series 75 Core Block, Double, Non-Swivel Head RF74202
    SKU: RF74202
    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
    €249.95 €249.95
    Ronstan
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  1. Series
    Series 75 Core
  2. Series
    Black Magic
  3. Series
    Series 50
  4. Cam
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Brands
  1. Harken 23 items
  2. Ronstan 14 items
Block type
  1. Becket 8 items
  2. Cheek 4 items
  3. Stand-up 4 items
  4. Fiddle 1 item
  5. Fiddle / becket 1 item
  6. Loop 5 items
Series
  1. 16 mm 16 items
  2. Ball Bearing Block 53 items
  3. Black Magic 23 items
  4. Carbo 94 items
  5. Classic 17 items
  6. Control 27 items
  7. Dyna Blocks 1 item
  8. Element 36 items
  9. HTX 36 items
  10. Micro 15 items
  11. Midrange 3 items
  12. Plain bearing block 54 items
  13. Protexit 5 items
  14. Series 19 5 items
  15. Series 20 18 items
  16. Series 25 2 items
  17. Series 25 - 30 10 items
  18. Series 30 3 items
  19. Series 30 Orbit 13 items
  20. Series 40 8 items
  21. Series 40 Orbit 13 items
  22. Series 50 8 items
  23. Series 55 Orbit 13 items
  24. Series 60 1 item
  25. Series 60 Core 12 items
  26. Series 75 Core 6 items
  27. Snatch 3 items
  28. Synchro 35 items
  29. Wire block 12 items
  30. Zircon 8 items
Model
  1. 45 mm 4 items
  2. 57 mm 9 items
  3. 75 mm 7 items
  4. 100 mm 3 items
Bearing
  1. Plain bearing 14 items
  2. Needle bearing 23 items
Sheaves Ø
  1. 45 mm 4 items
  2. 57 mm 1 item
  3. 100 mm 1 item
Swivel
  1. Yes 24 items
  2. No 13 items
Max rope diameter
  1. 10 mm 6 items
  2. 12 mm 14 items
  3. 14 mm 14 items
  4. 16 mm 3 items
Number of sheaves
  1. 1 25 items
  2. 2 11 items
  3. 3 1 item
Breaking strength (kg)
  1. < 1500 4 items
  2. 1500 - 3000 14 items
  3. 3000 - 4500 9 items
  4. 4500 - 6000 6 items
  5. 6000 - 7500 4 items
Safe Working Load (kg)
  1. < 1500 18 items
  2. 1500 - 3000 15 items
  3. 3000 - 4500 4 items
Price
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