![Harken 57mm Carbo Quad Block - Swivel [2631]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/608x608/products/59917/66693/88766XL__67727.1739614240.jpg?c=1 "Harken 57mm Carbo Quad Block - Swivel [2631]")
![Harken 57mm Carbo Quad Block - Swivel [2631]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/1280x1280/products/59917/66693/88766XL__67727.1739614240.jpg?c=1?imbypass=on "Harken 57mm Carbo Quad Block - Swivel [2631]")
Description
57mm Carbo Quad Block - Swivel
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
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) 1080 kg
- Maximum working load (lb) 2380 lb
Related Products
Related Products
![Harken 57mm Carbo Air Block w\/Swivel [2600]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/56858/62385/79072XL__66292.1739605764.jpg?c=1 "Harken 57mm Carbo Air Block w\/Swivel [2600]")
Harken 57mm Carbo Air Block w/Swivel [2600]
Harken
MSRP:
$62.20
$54.95
57mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks...
AM-79072
![Harken 57mm Carbo Single Ratchet Block w\/Swivel [2135]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/58709/64833/84452XL__57960.1739610756.jpg?c=1 "Harken 57mm Carbo Single Ratchet Block w\/Swivel [2135]")
Harken 57mm Carbo Single Ratchet Block w/Swivel [2135]
Harken
MSRP:
$96.30
$84.95
57mm Carbo Single Ratchet Block with SwivelCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.Features:On/off switch operates from...
AM-84452
![Harken 57mm Quad Block Swivel, Center Becket [HSB380]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/59916/66692/88765XL__40939.1739614238.jpg?c=1 "Harken 57mm Quad Block Swivel, Center Becket [HSB380]")
Harken 57mm Quad Block Swivel, Center Becket [HSB380]
Harken
MSRP:
$239.65
$178.99
57mm Quad Block Swivel, Center BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks...
AM-88765
![Harken 57mm Carbo Air Fiddle Block w\/Swivel Becket [2622]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/56859/62386/79073XL__26374.1739605766.jpg?c=1 "Harken 57mm Carbo Air Fiddle Block w\/Swivel Becket [2622]")
Harken 57mm Carbo Air Fiddle Block w/Swivel Becket [2622]
Harken
MSRP:
$82.15
$72.95
57mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these...
AM-79073
![Harken 57mm Triple Carbo Block - Swivel, Becket, Cam Cleat [2141]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/60089/66942/89302XL__76566.1739614726.jpg?c=1 "Harken 57mm Triple Carbo Block - Swivel, Becket, Cam Cleat [2141]")
Harken 57mm Triple Carbo Block - Swivel, Becket, Cam Cleat [2141]
Harken
MSRP:
$324.00
$284.95
57mm Triple Carbo Block - Swivel, Becket, Cam CleatCarbo Ratchets allow sailors to hand-hold loaded lines and offer a balance between holding power and controlled easing.Features:Sheave Ø (mm) 57...
AM-89302