![Harken 57mm Carbo Air Block w\/Swivel [2600]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/600x600/products/30029/30701/79072XL__65143.1558454787.jpg?c=2 "Harken 57mm Carbo Air Block w\/Swivel [2600]")
![Harken 57mm Carbo Air Block w\/Swivel [2600]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/1280x1280/products/30029/30701/79072XL__65143.1558454787.jpg?c=2 "Harken 57mm Carbo Air Block w\/Swivel [2600]")
Product Overview
57mm 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: 57mm / 2-1/4in
- Length: 110mm / 4-5/16in
- Weight: 87g / 3.1oz
- Shackle pin: 5mm / 3/16in
- Maximum line: 10mm / 3/8in
- Maximum working load: 359kg / 792lb
- Breaking load: 1079kg / 2380lb
![Harken 57mm Carbo Air Fiddle Block w\/Swivel Becket [2622]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/30030/30702/79073XL__18013.1558454789.jpg?c=2 "Harken 57mm Carbo Air Fiddle Block w\/Swivel Becket [2622]")
![Harken 57mm Carbo Quad Block - Swivel [2631]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/40504/52943/88766XL__39058.1623109847.jpg?c=2 "Harken 57mm Carbo Quad Block - Swivel [2631]")
![Harken 29mm Carbo Air Block w\/Swivel [340]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/30036/30708/79079XL__81792.1558454800.jpg?c=2 "Harken 29mm Carbo Air Block w\/Swivel [340]")