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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. 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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  4. 16mm Airblock flip flop
    SKU: HK437
    The 16 mm is Harken's smallest racing block. It is perfect for small control lines (up to 5mm ) found on small sailboats and boats up to 30 foot. The bearing system uses stainless steel balls and has a 113 kg maximum working load, a breaking load of 544 kg and it weights just 21 gram. Learn More
    €46.25 €46.25
    Harken
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  5. 16mm Airblock with eyestrap
    SKU: HK442
    The 16 mm is Harken's smallest racing block. It is perfect for small control lines (up to 5mm ) found on small sailboats and boats up to 30 foot. The bearing system uses stainless steel balls and has a 113 kg maximum working load, a breaking load of 544 kg and it weights just 12 gram. Learn More
    €26.50 €26.50
    Harken
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  6. 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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  7. 57mm Block Stand-up incl. padeye 6mm (1/4") fastener circle 37mm (1 15/32
    SKU: HK3227
    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
    €379.95 €379.95
    Harken
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  8. 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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  9. 75mm Block Stand-Up (incl. padeye
    SKU: HK3244
    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
    €698.95 €698.95
    Harken
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  10. 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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  11. Series 40 AP Block, Single Stand Up RF41140
    SKU: RF41140
    Captive Lock™ universal head
    Mount with 2 x 5mm (3/16") fasteners (not supplied)     Learn More
    €34.75 €34.75
    Ronstan
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  1. Block type
    Stand-up
  2. Block type
    Loop
  3. Series
    Series 70 Orbit
  4. Series
    Series 40
  5. Series
    Black Magic
  6. Series
    Protexit
  7. Series
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Brands
  1. Harken 10 items
  2. Ronstan 1 item
Block type
  1. Becket 10 items
  2. Cheek 6 items
  3. Exit block 7 items
  4. Stand-up 6 items
  5. Fiddle 2 items
  6. Fiddle / becket 2 items
  7. Loop 5 items
Series
  1. 16 mm 2 items
  2. Ball Bearing Block 14 items
  3. Black Magic 8 items
  4. Carbo 17 items
  5. Classic 6 items
  6. Element 5 items
  7. Micro 2 items
  8. Protexit 0 items
  9. Series 20 3 items
  10. Series 30 2 items
  11. Series 30 Orbit 4 items
  12. Series 40 1 item
  13. Series 40 Orbit 5 items
  14. Series 55 Orbit 5 items
  15. Series 60 Core 1 item
  16. Series 70 Orbit 0 items
  17. Series 75 Core 1 item
Model
  1. 45 mm 3 items
  2. 57 mm 2 items
  3. 75 mm 2 items
  4. 100 mm 1 item
Bearing
  1. Ball bearing 2 items
  2. Plain bearing 1 item
  3. Needle bearing 8 items
Sheaves Ø
  1. 45 mm 3 items
Swivel
  1. Yes 6 items
  2. No 5 items
Max rope diameter
  1. 5 mm 2 items
  2. 10 mm 4 items
  3. 12 mm 2 items
  4. 14 mm 2 items
  5. 16 mm 1 item
Number of sheaves
  1. 1 9 items
  2. 2 2 items
Breaking strength (kg)
  1. < 1500 6 items
  2. 1500 - 3000 2 items
  3. 4500 - 6000 2 items
  4. 6000 - 7500 1 item
Safe Working Load (kg)
  1. < 1500 8 items
  2. 1500 - 3000 2 items
  3. 3000 - 4500 1 item
Price
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