Harken 57mm Carbo Ratchet Block – 2x Grip (Power3)
Maximum holding power for high-wind performance
The Harken 57mm Carbo Ratchet Block – 2x Grip is the highest holding option in the Power3 series, delivering 20:1 holding power for exceptional control in heavy air and steady breeze conditions. Ideal for small one-design racers looking to reduce fatigue and maintain sheet tension during sustained loads, it provides firm, positive grip without compromising responsiveness.
Perfect for mainsheet systems where grip is critical, this block allows sailors to fine-tune handling to match wind strength and purchase setups. The on/off ratchet mechanism is easily switched from either side, ensuring quick adaptability during racing manoeuvres.
Spécifications
| Length (mm) | 103 |
| Cordage recommandé – Ø Max (mm) | 10 |
| Ø réas (mm) | 57 |
| Winch | Auto |
| Charge de travail (kg) | 227 |
| Charge de rupture (kg) | 907 |
| Poids (g) | 85 |
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