Harken is closed November 26-29. Orders received during this time will be processed Monday November 30.
3173 and 3174 high-load controls allow 2:1 to 6:1 purchases on offshore boats with mainsails over 37 m² (400 ft²). Controls feature 57 mm Black Magic® Big Boat ball/roller sheaves and high-load aluminum sideplates.
DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.
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