57mm Carbo Air® Flip-Flop Block
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HARKEN57mm Carbo Air® Flip-Flop Block

$213.99

Fulfilled from vendor
Model # 10421972 | Mfg # 2142UPC # 97653177821
HARKEN
57mm Carbo Air® Flip-Flop Block

$213.99

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Specs

57mm Carbo Air® Flip-Flop Block

Name Value
Ball Bearings Plastic
Becket No Becket
Diameter 3/8 Inch or 10 mm
Direction Any
Integral Cleat No Integral Cleat
Length 4 5/16 Inches
Mount Type Mechanical Fasteners
Ratchet Non Ratcheting
Safe Working Load 792 Pounds
Sheave Diameter 57 mm
Type Single Pivoting
Weight 5 Ounces

Product Overview

Low-friction 57mm Carbo Air® Flip-Flop Block is lightweight, strong, reliable—and affordable. 30 percent lighter and 60 percent stronger than equivalent blocks. Sideplates are UV-stabilized, high-strength resin. Ball bearings are made from engineered plastic in fitted ball races.

Flip-Flop blocks pivot around the line axis to keep the line close to the deck. Hinged construction allows for various lead angles. The 57mm Carbo Air® blocks have an enormous working range that makes them ideal for main and jib sheets, spinnaker halyards and control lines. This range handles loads similar to Harken’s 3" standard blocks. Recipient of both the Dame Award and Sail Magazine's Freeman-Pittman Award for innovation.

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