![Harken 29mm Triple Carbo Air Block w\/Swivel [344]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/1280x1280/products/22989/27541/79048XL__65931.1601542804.jpg?c=2 "Harken 29mm Triple Carbo Air Block w\/Swivel [344]")
29mm Triple Carbo Air Block with Swivel
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: 73mm / 2-7/8in.
- Weight: 74g / 2.6oz
- Shackle pin: 5mm / 3/16in
- Maximum line: 8mm / 5/16in
- Maximum working load: 449kg/ 990lb
- Breaking load: 907kg / 2000lb
![Harken 29mm Carbo Air Block w\/Swivel [340]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/23020/27574/79079XL__09355.1601542863.jpg?c=2 "Harken 29mm Carbo Air Block w\/Swivel [340]")
![Harken 40mm Carbo Air Triple Swivel Block w\/Becket [2641]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/23322/27970/79737XL__40847.1601543472.jpg?c=2 "Harken 40mm Carbo Air Triple Swivel Block w\/Becket [2641]")