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    Harken 3123 100mm Hi-Load Fixed Mastbase Block
    Harken 3123

    100mm Hi-Load Fixed Mastbase Block

    The Harken 3123 100mm Hi-Load Fixed Mastbase Block, sold at Harken's advertised price by One Design Rigging, an authorized Harken dealer. Ships in about 3 business days.

    $582.95List $662.55

    Ships in about 3 business days, plus transit.

    Returns within 30 days of delivery. Returns and exchanges

    Part number
    3123
    UPC
    097653155362
    Harken catalogue
    Page 62

    Harken 2026 catalogue, page

    Open the whole catalogue (PDF)
    Family
    Big Boat

    Specifications

    Sheave diameter
    102 mm4 in
    Length
    130 mm5 1/8 in
    Weight
    708 g24.9 oz
    Max line diameter
    18 mm11/16 in
    Max working load
    4990 kg11000 lb
    Breaking load
    9980 kg22000 lb

    From the Harken 2026 catalogue.

    Goes with 3123

    Harken 1734 8.00" (203 mm) Runner Block Sheave
    1734 8.00" (203 mm) Runner Block Sheave $1,191.95List $1,353.85 Ships in about 3 days
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    3038 150mm Big Boat Block Sock $48.95List $54.95 Ships in about 3 days
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    3037 125mm Big Boat Block Sock $45.95List $51.65 Ships in about 3 days
    Harken 1988 57mm Fixed Mastbase Block
    1988 57mm Fixed Mastbase Block $241.95List $274.65 Ships in about 3 days

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