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Description
40mm Carbo Air Triple Swivel Block
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.
Specifications:
- Sheave Ø (mm)40 mm
- Sheave Ø (in)1 9/16 in
- Maximum line Ø (mm)10 mm
- Maximum line Ø (in)3/8 in
- Maximum working load (kg)660 kg
- Maximum working load (lb)1455 lb
Accessories
No accessories listed for this product.
Specifications
| SKU | 2640 |
| UPC | 097653077411 |
| Brand | Harken |
| Category | Sailing |
| Country of Origin | UNITED STATES |
| Weight | 0.31 |
| Dimensions | 5 x 3 x 2 |
| Status | Active |
| Last Synced | 9/9/2026, 2:06:30 AM |
Compliance & Shipping
Returnable
Product Literature
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Frequently Bought Together
Compare Key Features
| Feature |  Harken 40mm Carbo Air Triple Swivel Block CURRENT |  Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Harken 29mm Carbo Air Block w/Swivel |  Barton Marine Ratchet Block - 55mm |
|---|---|---|---|---|---|
| Price | $138.72 | $19.25 | $57.81 | $28.56 | $111.66 |
| Brand | Harken | Ronstan | Ronstan | Harken | Barton Marine |
| Condition | New | New | New | New | New |
| Availability | In Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 0.31 | 0.06 | 0.19 | 0.5 | 0.3 |
| Dimensions | 5 x 3 x 2 | 4 x 2 x 1 | 4 x 2 x 2 | 4 x 2 x 1 | 6 x 3 x 2 |
| SKU | 2640 | RF35151 | RF35312 | 340 | 90500 |
| Country | UNITED STATES | INDONESIA | INDONESIA | UNITED STATES | — |
| View Item | View Item | View Item | View Item | View Item |
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Frequently Asked Questions
Price
$138.72