The Harken 40mm Carbo Quad Block is a valuable addition to control line systems on larger sailboats or boats encountering high loads. The combination of four sheaves for significant mechanical advantage, a low-friction Carbo sheave design, and a relatively compact size make it a user-friendly and powerful solution for applications requiring maximum pulling power
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Specifications
| Bearing type | Ball bearing |
| Recommended line - Max Ø (mm) | - |
| Sheave Ø (mm) | 40 |
| Ratchet | No |
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