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Description
40mm Carbo Block Single with Swivel & Bracket
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.
Features:
- 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): 220 kg
- Maximum working load (lb): 485 lb
Accessories
No accessories listed for this product.
Specifications
| SKU | 2637 |
| UPC | 097653077275 |
| Brand | Harken |
| Category | Sailing |
| Country of Origin | UNITED STATES |
| Weight | 0.12 |
| Dimensions | 5 x 3 x 1 |
| Status | Active |
| Last Synced | 8/27/2026, 2:07:11 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 |  Harken 40mm Carbo Block Single w/Swivel & Bracket CURRENT |  Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Harken 40mm Carbo Block 90° Fixed Head |  Barton Marine Ratchet Block - 55mm |
|---|---|---|---|---|---|
| Price | $43.18 | $19.25 | $57.81 | $41.35 | $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 | 0.12 | 0.06 | 0.19 | 0.11 | 0.3 |
| Dimensions | 5 x 3 x 1 | 4 x 2 x 1 | 4 x 2 x 2 | 5 x 3 x 1 | 6 x 3 x 2 |
| SKU | 2637 | RF35151 | RF35312 | 2659 | 90500 |
| Country | UNITED STATES | INDONESIA | INDONESIA | UNITED STATES | — |
| View Item | View Item | View Item | View Item | View Item |
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$43.18