![Harken 57mm Carbo Single Ratchet Block w\/Swivel Becket [2136]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/1280x1280/products/28535/37134/84453XL__09779.1646201412.jpg?c=1 "Harken 57mm Carbo Single Ratchet Block w\/Swivel Becket [2136]")
![Harken 57mm Carbo Single Ratchet Block w\/Swivel Becket [2136]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28535/37134/84453XL__09779.1646201412.jpg?c=1 "Harken 57mm Carbo Single Ratchet Block w\/Swivel Becket [2136]")
57mm Carbo Single Ratchet Block with Swivel & Becket
Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.
Features:
- Sheave Ø (mm): 57 mm
- Sheave Ø (in): 2-1/4 in
- Maximum line Ø (mm): 10 mm
- Maximum line Ø (in): 3/8 in
- Maximum working load (kg): 227 kg
- Maximum working load (lb): 500 lb
![Harken 40mm Carbo Single Ratchet Block w\/Swivel Becket [2609]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28532/37131/84450XL__42194.1646201405.jpg?c=1 "Harken 40mm Carbo Single Ratchet Block w\/Swivel Becket [2609]")
![Harken 57mm Carbo Single Ratchet Block w\/Swivel [2135]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28534/37133/84452XL__91473.1646201411.jpg?c=1 "Harken 57mm Carbo Single Ratchet Block w\/Swivel [2135]")
![Harken 40mm Carbo Single Ratchet Block w\/Swivel Becket Cam Cleat [2610]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28533/37132/84451XL__20627.1646201408.jpg?c=1 "Harken 40mm Carbo Single Ratchet Block w\/Swivel Becket Cam Cleat [2610]")
![Harken 57mm Carbo Air Fiddle Block w\/Swivel Becket [2622]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28317/36780/79073XL__59007.1646197485.jpg?c=1 "Harken 57mm Carbo Air Fiddle Block w\/Swivel Becket [2622]")
![Harken 57mm Triple Carbo Block - Swivel, Becket, Cam Cleat [2141]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28811/37604/89302XL__30995.1646205191.jpg?c=1 "Harken 57mm Triple Carbo Block - Swivel, Becket, Cam Cleat [2141]")