Optimist Sprit Block. Featuring a ball bearing sheave which has been shaped to work with dyneema or wire. The flat side of the block is specially designed to sit against the mast to stop any twisting, allowing the block to give the best lead for the spirt line making it as easy as possible for the sailor to use whilst on the water. The hook will fit all Opti spars. Class legal.
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Spécifications
| Shackle pin Ø (mm) | 4 |
| Length (mm) | 55 |
| Cordage recommandé – Ø Max (mm) | 2 - 4 |
| Ø réas (mm) | 16 |
| Charge de rupture (kg) | 400 |
| Poids (g) | 20 |
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