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Harken 57mm HL Block
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Harken 57mm HL Block

HAR3215
Harken
List: $184.00
Price: $161.99

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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 4 11/16 in 119 mm
    Weight 5.36 oz 152 g
    Shackle pin Ø 1/4 in 6 mm
    Maximum line Ø 7/16 in 12 mm
    Maximum working load 2500 lb 1134 kg
    Breaking load 5000 lb 2268 kg



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