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Harken 57 mm Double High-Load Footblock w/ Lockoff
    Code: HAR1968
    Original Price:$393.50
    Price: $271.50
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    Product Description


    Black Magic® footblocks carry some of the highest loads imposed by running rigging. The Torlon® rollers on these lightweight, free-running blocks are housed in a center cage, with no contact between bearings. UV-resistant, carbon-black Delrin® balls handle sideloads.

    Either metric or imperial flathead fasteners may be used for mounting and are not exposed.

    Use for:

    Genoas and Spinnakers.

    Part Number: 1968


    Specifications
    Imperial Metric
    Sheave Dia. 2 1/4" 57 mm
    Length 3 5/16" 84 mm
    Height 1 13/16" 46 mm
    Weight 9.6 oz 272 gr
    Max Line Dia. 7/16" 12 mm
    Maximum Working Load 1650 lbs 750 kg
    Breaking Load 3300 lbs 1500 kg
    FH Fasteners 4 x 1/4 4 x 6 mm

    Dimensions

    Imperial
    Metric
    Harken Blocks
    A 9/32" 7 mm
    B 7/8" 23 mm
    C 2 1/32" 52 mm
    D 5/8" 16 mm
    E 2 9/32" 58 mm
    F 3 5/16" 84 mm
    G 15/32" 12 mm
         
     

    Lockoffs are intended to hold lines temporarily and should not be used in place of line stoppers or clutches.
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