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Description
29mm Carbo Air 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: 29mm / 1-1/8in
- Length: 49mm / 1-15/16in
- Weight: 23g / .8oz
- Shackle pin: 4mm / 5/32in
- Maximum line: 8mm / 5/16in
- Maximum working load: 150kg / 330lb
- Breaking load: 454kg / 1000lb
Accessories
No accessories listed for this product.
Specifications
| SKU | 348 |
| UPC | 097653287308 |
| Brand | Harken |
| Category | Sailing |
| Country of Origin | UNITED STATES |
| Weight | 0.2 |
| Dimensions | 4 x 2 x 1 |
| Status | Active |
| Last Synced | 9/14/2026, 2:06:30 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 29mm Carbo Air Block CURRENT |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Harken 29mm Carbo Air Block w/Swivel |  Barton Marine Ratchet Block - 55mm |  Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek |
|---|---|---|---|---|---|
| Price | $16.92 | $57.81 | $28.56 | $111.66 | $19.25 |
| Brand | Harken | Ronstan | Harken | Barton Marine | Ronstan |
| Condition | New | New | New | New | New |
| Availability | In Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 0.2 | 0.19 | 0.5 | 0.3 | 0.06 |
| Dimensions | 4 x 2 x 1 | 4 x 2 x 2 | 4 x 2 x 1 | 6 x 3 x 2 | 4 x 2 x 1 |
| SKU | 348 | RF35312 | 340 | 90500 | RF35151 |
| Country | UNITED STATES | INDONESIA | UNITED STATES | — | INDONESIA |
| View Item | View Item | View Item | View Item | View Item |
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$16.92