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Harken 57mm HL Double Block
    Code: HAR3217
    Original Price:$365.10
    Price: $321.29
    Quantity in Basket: None
    Product Description

    Use 57 mm Black Magic® AirBlocks® on offshore boats. These strong, lightweight blocks are sculpted aluminum, with Torlon® rollers and carbon-black balls for strength and UV protection. Rollers are housed in a unique center cage and are isolated for less friction. Blocks feature a three-way head system and come in high- and low-load configurations.

    Use for:
    Sheets, Halyards, Running backstays and Control lines.

    Part Number: 3217
    ** Replaces 1960

    Imperial Metric
    Sheave Dia. - 57 mm
    Length 5 3/16" 132 mm
    Weight w/Shackle 11.86 oz 336 gr
    Shackle Pin Dia. 5/16" 8 mm
    Max Line Dia. 7/16" 12 mm
    Maximum Working Load 3600 lbs 1633 kg
    Breaking Load 7200 lbs 3267 kg
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