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Harken 57 mm Carbo Air Blocks  

Harken 57 mm Carbo Air Blocks

The 57 mm diameter lineup of Carbo Air blocks are low-friction, lightweight, strong, reliable and affordable.

Companions to the popular Harken Black Magic block line, these blocks have very high working loads for safe, easy trimming.

Lightweight, strong and reliable fiber-reinforced composite construction sideplates replace stainless steel straps. These densely packed glass fibers reinforce the resin for strength.

These smooth-running powerful performers make trimming easy, no matter how hard the wind blows.

57 mm Carbo Air blocks are of a size and style that will fit any system: singles, doubles, triples, quads, and quints; ratchets and fiddles; soft and hard attach. 

Perfect for main, jib and spinnaker sheets on dinghies, sportboats and small keelboats; and control lines on boats of all sizes.

Ball bearings, sheave, and sideplates are UV-stabilized.
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Displaying 1 to 35 (of 35 products)  1      
 Harken 2138 57mm Single Carbo Ratchet Block with Cam Cleat 
Harken 2138 57mm Single Carbo Ratchet Block with Cam Cleat 
Binnacle.com #: H2138
Our Price: $183.95 
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 Harken 2135 57mm Single Carbo Ratchet Block with Swivel 
Harken 2135 57mm Single Carbo Ratchet Block with Swivel 
Binnacle.com #: H2135
Our Price: $79.95 
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 Harken 2600 57mm Single Carbo AirBlock with Swivel 
Harken 2600 57mm Single Carbo AirBlock with Swivel 
Binnacle.com #: H2600
Our Price: $51.95 
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 Harken 2135.RED 57mm Single Carbo Ratchet Block with Swivel Red 
Harken 2135.RED 57mm Single Carbo Ratchet Block with Swivel Red 
Binnacle.com #: H2135.RED
Our Price: $87.95 
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 Harken 2601 57mm Single Swivel Carbo AirBlock with Becket 
Harken 2601 57mm Single Swivel Carbo AirBlock with Becket 
Binnacle.com #: H2601
Our Price: $62.95 
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 Harken 2166 57mm Carbo Ratchet Single Block 1.5 x Grip 
Harken 2166 57mm Carbo Ratchet Single Block 1.5 x Grip 
Binnacle.com #: H2166
Our Price: $87.95 
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 Harken 2602 57mm Double Carbo AirBlock with Swivel 
Harken 2602 57mm Double Carbo AirBlock with Swivel 
Binnacle.com #: H2602
Our Price: $111.95 
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 Harken 2169 57mm Carbo Ratchet Single Block 2 x Grip 
Harken 2169 57mm Carbo Ratchet Single Block 2 x Grip 
Binnacle.com #: H2169
Our Price: $87.95 
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 Harken 2603 57mm Double Carbo Block with Becket 
Harken 2603 57mm Double Carbo Block with Becket 
Binnacle.com #: H2603
Our Price: $116.95 
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 Harken 2137 57mm Single Carbo Ratchet Cheek Block 
Harken 2137 57mm Single Carbo Ratchet Cheek Block 
Binnacle.com #: H2137
Our Price: $87.95 
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 Harken 2604 57mm Triple Carbo Block with Swivel 
Harken 2604 57mm Triple Carbo Block with Swivel 
Binnacle.com #: H2604
Our Price: $151.95 
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 Harken 2160 57mm Carbo T2 Ratchamatic 
Harken 2160 57mm Carbo T2 Ratchamatic 
Binnacle.com #: H2160
Our Price: $79.95 
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 Harken 2605 57mm Carbo Triple Block with Becket 
Harken 2605 57mm Carbo Triple Block with Becket 
Binnacle.com #: H2605
Our Price: $167.95 
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 Harken 2618 57mm Triple Becket Carbo Block with Carbo-Cam 
Harken 2618 57mm Triple Becket Carbo Block with Carbo-Cam 
Binnacle.com #: H2618
Our Price: $231.95 
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 Harken 2625 57mm Single Carbo Ratchmatic Block 
Harken 2625 57mm Single Carbo Ratchmatic Block 
Binnacle.com #: H2625
Our Price: $117.95 
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 Harken 2625.RED 57mm Single Carbo Ratchmatic Block Red 
Harken 2625.RED 57mm Single Carbo Ratchmatic Block Red 
Binnacle.com #: H2625.RED
Our Price: $119.95 
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 Harken 2617 57mm Carbo Triple Swivel AirBlock with Cam 
Harken 2617 57mm Carbo Triple Swivel AirBlock with Cam 
Binnacle.com #: H2617
Our Price: $231.95 
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 Harken 2160.RED 57mm Carbo T2 Ratchamatic Red 
Harken 2160.RED 57mm Carbo T2 Ratchamatic Red 
Binnacle.com #: H2160.RED
Our Price: $87.95 
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 Harken 2621 57mm Carbo Fiddle Block 
Harken 2621 57mm Carbo Fiddle Block 
Binnacle.com #: H2621
Our Price: $63.95 
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 Harken 2622 57mm Carbo Fiddle Block with Becket 
Harken 2622 57mm Carbo Fiddle Block with Becket 
Binnacle.com #: H2622
Our Price: $71.95 
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 Harken 2623 57mm Carbo AirBlock Fiddle with Cam Cleat 
Harken 2623 57mm Carbo AirBlock Fiddle with Cam Cleat 
Binnacle.com #: H2623
Our Price: $151.95 
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 Harken 2626 57mm Single Carbo Ratchmatic Block with Becket 
Harken 2626 57mm Single Carbo Ratchmatic Block with Becket 
Binnacle.com #: H2626
Our Price: $127.95 
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 Harken 2624 57mm Carbo Fiddle Becket Block with Carbo-Cam 
Harken 2624 57mm Carbo Fiddle Becket Block with Carbo-Cam 
Binnacle.com #: H2624
Our Price: $175.95 
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 Harken 2674 57mm Fiddle Ratchet with Becket 
Harken 2674 57mm Fiddle Ratchet with Becket 
Binnacle.com #: H2674
Our Price: $106.95 
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 Harken 2629 57mm Triple Carbo Ratchamatic Block with Cam-Matic 
Harken 2629 57mm Triple Carbo Ratchamatic Block with Cam-Matic 
Binnacle.com #: H2629
Our Price: $367.95 
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 Harken 2675 57mm Fiddle Ratchet with 150 Cam-Matic 
Harken 2675 57mm Fiddle Ratchet with 150 Cam-Matic 
Binnacle.com #: H2675
Our Price: $199.95 
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 Harken 2676 57mm Fiddle Ratchet with 150 Cam & Becket 
Harken 2676 57mm Fiddle Ratchet with 150 Cam & Becket 
Binnacle.com #: H2676
Our Price: $207.95 
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 Harken 2615 57mm Single Swivel Carbo Block with Carbo-Cam 
Harken 2615 57mm Single Swivel Carbo Block with Carbo-Cam 
Binnacle.com #: H2615
Our Price: $147.95 
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 Harken 2616 57mm Single Becket Carbo AirBlock with Carbo-Cam 
Harken 2616 57mm Single Becket Carbo AirBlock with Carbo-Cam 
Binnacle.com #: H2616
Our Price: $151.95 
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 Harken 2628 57mm Single Carbo Ratchamatic Block with Cam-Matic 
Harken 2628 57mm Single Carbo Ratchamatic Block with Cam-Matic 
Binnacle.com #: H2628
Our Price: $214.95 
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 Harken 2606 57mm Carbo Cheek Block 
Harken 2606 57mm Carbo Cheek Block 
Binnacle.com #: H2606
Our Price: $47.95 
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 Harken 2151 57 mm T2 Loop Soft-Attach Block 
Harken 2151 57 mm T2 Loop Soft-Attach Block 
Binnacle.com #: H2151
Our Price: $55.95 
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 Harken 2152 57 mm T2 Soft-Attach Block 
Harken 2152 57 mm T2 Soft-Attach Block 
Binnacle.com #: H2152
Our Price: $51.95 
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 Harken 3215 57 mm High Load Aluminum Black Magic Air Block Swivel 
Harken 3215 57 mm High Load Aluminum Black Magic Air Block Swivel 
Binnacle.com #: H3215
Our Price: $215.95 
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 Harken 7402 57mm Ratchet Stanchion Mount Block 
Harken 7402 57mm Ratchet Stanchion Mount Block 
Binnacle.com #: H7402
Our Price: $119.95 
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Displaying 1 to 35 (of 35 products)  1      
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