Harken Midrange Stand-Up Spring

Harken Midrange Stand-Up Spring

Product Details


    Harken Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fair lead under load.

    Use the1634 Harken stand-up base with Harken Midrange blocks and 57 mm or 75 mm Harken Cruising ESP blocks. Block headpost fits into socket without shackle. The low-profile design is ideal for mastbase and halyard lead blocks.

    Part Number: 1603

    Tech Info

    Imperial Metric
    Weight 0.74 oz 21 gr
    A 2 1/2" 64 mm
    B 1 3/8" 35 mm

    Harken Blocks