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Harken 57 mm High-Load Double Block w/ Swivel and Becket
    Code: HAR1961
    Original Price:$379.85
    Price: $262.10
    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: 1961

    Imperial Metric
    Sheave Dia. - 57 mm
    Length 6" 152 mm
    Weight w/Shackle 10.6 oz 302 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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