Harken Big Boat End Controls secure to track, eliminating additional
holes. Tough one-piece bases and cam arms are machined
from a single piece of aluminum.
Ball bearing sheaves let cars adjust under load and release
instantly. Compact, high-strength Carbo AirBlock® components
keep traveler weight minimal. Cam-Matic® cleats provide
precise cleating.
Harken High-Load Controls allow 2:1 to 6:1 purchases on offshore
boats with mainsails over 400 ft2 (37 m2). The Harken 3173 features 57 mm Black Magic® Big Boat ball/roller
sheaves and high-load aluminum sideplates.
Part Number: 3173
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We do our best every day to ensure that our prices are the
best you can find. If within 30 days you find a better price,
we’ll refund the difference as a store credit. 
