Harken Big Boat 32 mm High-performance
End Controls allow the installation of 2:1 to 5:1 purchases. Designed
for high-performance, free-running systems, Carbo control blocks with Delrin® ball
bearings let cars instantly adjust and release under load. Assemblies secure
to track, eliminating additional holes. Tough one-piece bases and cam arms
are machined from a single piece of aluminum. Compact, low-friction block
components combined with Cam-Matic® cleats keep weight minimal.
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.
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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. 
