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Harken 2168 57mm Ratchamatic Block with swivel and 2 times grip: breeze-on/puffs; 20:1 holding power.
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 allows sailors to fine-tune their set-ups in tandem with the purchase that provides the ideal level of power, responsiveness and grip.
This 57mm Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless.
|Sheave diameter||57 mm|
|Shackle pin diameter||5 mm|
|Max. working load||227 kg|
|Breaking load||907 kg|