Harken Midrange Cruising ESP Stand-up Base

Harken Midrange Cruising ESP Stand-up Base

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

    Part Number: 1634

    Tech Info

    Imperial Metric
    Height 1 15/16" 49 mm
    Weight 9 oz 255 gr
    Base Dia. 2 7/8" 73 mm
    Inside Socket Dia. 9/16" 15 mm
    Pin Dia. 5/16" 8 mm
    Maximum Working Load 3500 lbs 1588 kg
    Breaking Load 7000 lbs 3175 kg
    Use with Midrange/Cruising ESP
    RH Fasteners # 1/4 6 mm

    Harken Blocks