57mm Ratchet Block with Red Sheave
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HARKEN57mm Ratchet Block with Red Sheave


Fulfilled from vendor
Model # 18329870 | Mfg # 2135.REDUPC # 97653281276
57mm Ratchet Block with Red Sheave




57mm Ratchet Block with Red Sheave

Name Value
Ball Bearings Delrin
Becket No Becket
Diameter 3/8 Inch or 10 mm
Direction Any
Integral Cleat No Integral Cleat
Length 4 1/16 Inches
Mount Type Swivel Shackle
Ratchet Ratcheting
Safe Working Load 500 Pounds
Sheave Diameter 57mm
Type Ball Bearings
Weight 3.9 Ounces

Product Overview

Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. More choices allow sailors to fine-tune their set-ups in tandem with the purchase that provides the ideal level of power, responsiveness and grip. 

  • On/off switch operates from both sides. 
  • 2x grip
  • 20:1 holding power


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