The Harken 57mm Carbo Block - Tripple + Swivel is compact in size and lightweight construction. Carbo Air blocks boast impressive working loads, ensuring safe and efficient sail trimming. This block comes with 3 57mm sheaves that keep lines moving smoothly under tension. the head of block swivels freely allowing the line to self-align and minimize friction
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Specifications
| Bearing type | Ball bearing |
| Recommended line - Max Ø (mm) | - |
| Sheave Ø (mm) | 57 |
| Ratchet | No |
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