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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 cheek block
    SKU: HK416
    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
    €20.55 €20.55
    Harken
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  5. 16mm Airblock cheek pivot
    SKU: HK432
    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 339 kg and it weights just 11 gram. Learn More
    €21.90 €21.90
    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 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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  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 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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  10. 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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  11. Series 40 AP Block, Single Cheek RF41151
    SKU: RF41151
    Mount with 3 x 5mm (3/16") fasteners (not supplied) Learn More
    €34.25 €34.25
    Ronstan
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  12. 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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Now Shopping by
  1. Block type
    Loop
  2. Block type
    Cheek
  3. Series
    Series 70 Orbit
  4. Series
    Series 40
  5. Series
    Black Magic
  6. Series
    Series 75 Core
  7. Series
    16 mm
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Brands
  1. Harken 10 items
  2. Ronstan 2 items
Block type
  1. Becket 11 items
  2. Cheek 7 items
  3. Exit block 2 items
  4. Stand-up 7 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 23 items
  5. Classic 1 item
  6. Element 9 items
  7. Micro 1 item
  8. Plain bearing block 15 items
  9. Series 20 1 item
  10. Series 30 Orbit 3 items
  11. Series 40 1 item
  12. Series 40 Orbit 8 items
  13. Series 55 Orbit 8 items
  14. Series 60 Core 2 items
  15. Series 70 Orbit 0 items
  16. Series 75 Core 1 item
Model
  1. 45 mm 3 items
  2. 57 mm 2 items
  3. 75 mm 3 items
Bearing
  1. Ball bearing 2 items
  2. Plain bearing 2 items
  3. Needle bearing 8 items
Sheaves Ø
  1. 45 mm 3 items
Swivel
  1. Yes 1 item
  2. No 11 items
Max rope diameter
  1. 5 mm 2 items
  2. 10 mm 4 items
  3. 12 mm 2 items
  4. 14 mm 4 items
Number of sheaves
  1. 1 9 items
  2. 2 3 items
Breaking strength (kg)
  1. < 1500 6 items
  2. 1500 - 3000 2 items
  3. 3000 - 4500 2 items
  4. 4500 - 6000 2 items
Safe Working Load (kg)
  1. < 1500 8 items
  2. 1500 - 3000 4 items
Price
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