Harken 57mm Fixed Mastbase Block (1988)
Compact, low-profile solution for mastbase halyard routing
The Harken 57mm Fixed Mastbase Block is a low-profile lead block designed for efficient halyard and control line deflection at the base of the mast. Ideal for boats where multiple lines converge at deck level, it offers a compact footprint that allows several blocks to be grouped closely together, streamlining deck layouts without adding unnecessary weight.
Constructed with lightweight yet durable materials, this block ensures smooth, low-friction operation under load, making it a dependable choice for high-load halyard leads and static deflection points in performance sailing setups.
Spécifications
| Width (mm) | 35 |
| Length (mm) | 81 |
| Cordage recommandé – Ø Max (mm) | 10 |
| Ø réas (mm) | 57 |
| Hauteur (mm) | 73 |
| Charge de travail (kg) | 1136 |
| Charge de rupture (kg) | 2273 |
| Poids (g) | 175 |
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