Harken Power3 Ratchet Block 57mm, 2x Grip

Harken Power3 Ratchet Block 57mm, 2x Grip

Product Details

Harken Power3 Ratchet

Harken #2169

The Harken 2169 Power3 ratchet block provides sailors that race small one-designs with 2 times the holding-power to handle a variety of wind and sea conditions. The ratchet function can be turned on and off as needed depending on the wind conditions making this a versatile block. This is a simple yet very effective upgrade to manage trimming sails in bigger wind.


  • 20:1 Holding power for big breeze sailing
  • Ratchet On / Off switch operates from both sides
  • Direct replacement for most Sunfish and Laser mainsheet blocks


Sheave (mm) 57 mm
Sheave (in) 2 1/4"
Length (mm) 103mm
Length (in) 4 1/16"
Weight (g) 85 g
Weight (oz) 3 oz
Shackle Pin (mm) 5 mm
Shackle Pin (in) 3/16"
Maximum Line (mm) 10 mm
Maximum Line (in) 3/8"
Maximum Working Load (kg) 227 kg
Maximum Working Load (lb) 500 lb
Breaking Load (kg) 907 kg
Breaking Load (lbs) 2000 lbs
Holding Power 20:1