Brand
Ronstan
Ronstan Series 40 BB Block, Single Upright Lead
$51.58
Ronstan Series 40 BB Block, Single Upright Lead
Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Precision moulded Acetal sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.
Our Part # RONRF40171 | Ronstan Part # RF40171
Applications:
- Typically used for halyards at the mast base.
| Description | Imperial | Metric |
|---|---|---|
| Sheave Ø | 1 4/7 in. | 40.00 mm. |
| Maximum Rope | 2/5 in. | 10.00 mm. |
| Maximum Working Load | 771.75 lb. | 350.00 kg. |
| Breaking Load | 2205.00 lb. | 1000.00 kg. |
| Weight | 2.12 oz. | 60.00 gr. |
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Sailutions
Sailutions provide innovative and practical solutions for boaters, including services and high perfo
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