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Harken 57mm Triple Block
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Harken 57mm Triple Block

HAR3219
Harken
List: $476.10
Price: $418.99

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    Product Description


    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. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep line from twisting.
    Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.



    Technical Information


    Tech Specs
    Imperial Metric
    Sheave Ø 2 1/4 in 57 mm
    Length 5 3/16 in 132 mm
    Weight 13.34 oz 378 g
    Shackle pin Ø 5/16 in 8 mm
    Maximum line Ø 7/16 in 12 mm
    Maximum working load 4850 lb 2200 kg
    Breaking load 9700 lb 4400 kg



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