Product Description

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: 3124

Imperial Metric
Sheave Dia. - -
Length 2 9/16" 65 mm
Width 2 1/4" 57 mm
Weight 8 oz 227 gr
Max Line Dia. - -
Height Above Track 1 5/16" 33 mm
Maximum Working Load - -
Breaking Load - -
Purchase -
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Harken Big Boat CB Adjustable Pinstop
Original Price: $ 134.20
Price: $ 118.10

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