Harken 57mm Carbo Ratchamatic Block with Cam Cleat
Hands-free line control with smart ratchet engagement
The Harken 57mm Carbo Ratchamatic Block with Cam Cleat is purpose-built for mainsheet systems on performance dinghies and small keelboats, combining intelligent load-sensing technology with integrated cleating. The Ratchamatic sheave automatically engages under load, providing grip when needed and allowing smooth, free-running release when not. Paired with a reliable Cam-Matic® cleat, it offers immediate, hands-free trimming and adjustment — ideal for active sail control in dynamic conditions.
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Spécifications
| Length (mm) | 103 |
| Cordage recommandé – Ø Max (mm) | 10 |
| Ø réas (mm) | 57 |
| Charge de travail (kg) | 136 |
| Charge de rupture (kg) | 340 |
| Poids (g) | 266 |
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