$335.92$395.20per unit
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Special order from Ronstan — Estimated 2–4 weeks.
Description
S40 Soft Attachment Block - Single
Easy to attach and easy to open, Ronstan's soft attachment snatch blocks are built to perform and built to last.
With the shackle open, cheek plates twist to open the block and a spring loaded ball secures the assembly when closed.
Every SA Block features fully machined, anodised aluminium cheek plates. Sheaves run on duplex stainless steel hubs and incorporate precision composite journal bearings and thrust washers. The attachment is a Dyneema® SK99 soft shackle with titanium dog bone.
Specifications:
- Sheave Diameter: 42mm
- Max Rope: 12mm
- M.W.L.: 2000kg
- B.L.: 4000kg
Accessories
No accessories listed for this product.
Specifications
| SKU | RF47109 |
| UPC | 9316800583119 |
| Brand | Ronstan |
| Category | Sailing |
| Country of Origin | — |
| Weight | 0.35 |
| Dimensions | 4 x 2 x 2 |
| Status | Active |
| Last Synced | 10/12/2026, 2:08:17 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 S40 Soft Attachment Block - Single CURRENT |  Harken 57mm Carbo Air Block w/Swivel |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Barton Marine Ratchet Block - 55mm |  Harken 40mm Carbo Block 90° Fixed Head |
|---|---|---|---|---|---|
| Price | $335.92 | $53.93 | $57.81 | $111.66 | $41.35 |
| Brand | Ronstan | Harken | Ronstan | Barton Marine | Harken |
| Condition | New | New | New | New | New |
| Availability | Out of Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 0.35 | 0.3 | 0.19 | 0.3 | 0.11 |
| Dimensions | 4 x 2 x 2 | 6 x 3 x 1 | 4 x 2 x 2 | 6 x 3 x 2 | 5 x 3 x 1 |
| SKU | RF47109 | 2600 | RF35312 | 90500 | 2659 |
| Country | — | UNITED STATES | INDONESIA | — | UNITED STATES |
| View Item | View Item | View Item | View Item | View Item |
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Frequently Asked Questions
Price
$335.92