$49.70$58.47per unit
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Description
Series 40 All Purpose Block - Single Upright Lead
Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.
Applications:
- Typically used for halyards at the mast base.
Materials:
- UV stabilised acetal sheave
- Grade 316 stainless steel load housing
Accessories
No accessories listed for this product.
Specifications
| SKU | RF41171 |
| UPC | 9316800557394 |
| Brand | Ronstan |
| Category | Sailing |
| Country of Origin | — |
| Weight | 0.15 |
| Dimensions | 4 x 2 x 1 |
| Status | Active |
| Last Synced | 10/5/2026, 2:05:08 AM |
Compliance & Shipping
Returnable
Product Literature
No literature or manuals available for this product.
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Frequently Bought Together
Compare Key Features
| Feature |  Ronstan Series 40 All Purpose Block - Single Upright Lead CURRENT |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Barton Marine Ratchet Block - 55mm |  Harken 16mm Block |  Harken 40mm Carbo Block 90° Fixed Head |
|---|---|---|---|---|---|
| Price | $49.70 | $57.81 | $111.66 | $17.21 | $41.35 |
| Brand | Ronstan | Ronstan | Barton Marine | Harken | Harken |
| Condition | New | New | New | New | New |
| Availability | In Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 0.15 | 0.19 | 0.3 | 0.1 | 0.11 |
| Dimensions | 4 x 2 x 1 | 4 x 2 x 2 | 6 x 3 x 2 | 3 x 2 x 1 | 5 x 3 x 1 |
| SKU | RF41171 | RF35312 | 90500 | 404 | 2659 |
| Country | — | INDONESIA | — | UNITED STATES | UNITED STATES |
| View Item | View Item | View Item | View Item | View Item |
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Frequently Asked Questions
Price
$49.70