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Harken
Harken 57 mm Carbo Ratchamatic Block w/ Cam, Becket
    Code: HAR2628
    Original Price:$194.65
    Price: $171.29
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    Product Description

    The Harken Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Unloaded main and jib sheets run out freely during mark roundings and asymmetrical spinnakers free instantly during jibes.

    Ratchet engagement may be adjusted to a higher or lower load according to strength and sailing style. The Harken Ratchamatic® cheek block mounts on either port or starboard. The holding power of the 57 mm is as high as 10:1.

    For the ultimate system, mount a Harken Ratchamatic® on the boom above a cockpit-mounted switchable ratchet to allow the mainsheet to run freely in light air and to double holding power in heavy air.

    Use for:
    Main/Jib Sheets and Asymmetric spinnakers.

    Part Number: 2628


    Specifications
    Imperial Metric
    Sheave Dia. 2 1/4" 57 mm
    Length 4 15/16" 125 mm
    Weight 9.7 oz 275 gr
    Max Line Dia. 3/8" 10 mm
    Shackle Pin Dia. 3/16" 5 mm
    Maximum Working Load 600 lbs 272 kg
    Breaking Load 1500 lbs 680 kg
    Holding Power W/180º Wrap 50 lbs = 10:1 23 kg = 10:1

    Maximum working load and breaking load for blocks based on cam strengths.
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