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  1. 45mm Black Magic block
    SKU: HK3391
    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
    €204.95 €204.95
    Harken
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  2. 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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  3. 57mm Block Double Swivel
    SKU: HK3217
    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
    €461.95 €461.95
    Harken
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  4. 57mm Block Double / Becket Swivel
    SKU: HK3218
    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
    €471.95 €471.95
    Harken
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  5. 75mm Block Double/Swivel
    SKU: HK3233
    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
    €944.95 €944.95
    Harken
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  6. 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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  7. Series 29 Fiddle Block
    SKU: RF186
    Fiddle, tube rivet Learn More
    €23.25 €23.25
    Ronstan
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  8. Series 29 Fiddle Block With Vee Jam
    SKU: RF187
    Allows fast, sure cleating of control lines. Learn More
    €34.25 €34.25
    Ronstan
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  9. Series 29 Double Block
    SKU: RF417
    Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Hollow rivets accept fixing screws, shackles or can be used as a becket for extra purchase. Learn More
    €26.25 €26.25
    Ronstan
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  10. Series 29 Double Block, Loop Top RF81
    SKU: RF81
    APPLICATIONS
    Vang, cunningham and trapeze retriever systems on dinghies
    Leech line tackles, bunk adjusters etc on larger yachts     Learn More
    €29.75 €29.75
    Ronstan
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  11. Series 29 Double Block, Loop Top & Becket RF83
    SKU: RF83
    Double, becket, loop head. APPLICATIONS
    Vang, cunningham and trapeze retriever systems on dinghies
    Leech line tackles, bunk adjusters etc on larger yachts     Learn More
    €36.75 €36.75
    Ronstan
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Now Shopping by
  1. Series
    Black Magic
  2. Series
    Series 25 - 30
  3. Number of sheaves
    2
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Brands
  1. Harken 6 items
  2. Ronstan 5 items
Block type
  1. Becket 2 items
  2. Cheek 1 item
  3. Fiddle 2 items
  4. Loop 2 items
Series
  1. 16 mm 3 items
  2. Ball Bearing Block 16 items
  3. Black Magic 6 items
  4. Carbo 40 items
  5. Classic 5 items
  6. Control 6 items
  7. Element 20 items
  8. HTX 17 items
  9. Micro 5 items
  10. Midrange 2 items
  11. Plain bearing block 28 items
  12. Protexit 1 item
  13. Series 19 2 items
  14. Series 20 4 items
  15. Series 25 - 30 5 items
  16. Series 30 1 item
  17. Series 30 Orbit 4 items
  18. Series 40 4 items
  19. Series 40 Orbit 5 items
  20. Series 50 5 items
  21. Series 55 Orbit 5 items
  22. Series 60 Core 5 items
  23. Series 75 Core 1 item
  24. Synchro 22 items
  25. Zircon 4 items
Model
  1. 45 mm 2 items
  2. 57 mm 3 items
  3. 75 mm 1 item
Bearing
  1. Needle bearing 6 items
  2. No bearing 5 items
Sheaves Ø
  1. 45 mm 2 items
Cam
  1. Yes 1 item
  2. No 10 items
Swivel
  1. Yes 4 items
  2. No 7 items
Max rope diameter
  1. 8 mm 5 items
  2. 10 mm 2 items
  3. 12 mm 2 items
  4. 14 mm 2 items
Breaking strength (kg)
  1. < 1500 7 items
  2. 3000 - 4500 3 items
  3. 6000 - 7500 1 item
Safe Working Load (kg)
  1. < 1500 7 items
  2. 1500 - 3000 3 items
  3. 3000 - 4500 1 item
Price
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