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Harken 57 mm Carbo Blocks

Harken Blocks

Harken 57mm Carbo Blocks

The high-load 57 mm Carbo has a broad working range. Use for main and jib sheets on centerboard and keelboats like Lightnings, Dragons, Solings, and J/24s, and for mainsheet systems on catamarans.

The nylon resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio.  Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.  Blocks feature Cam-Lock or U-Lock locking systems to lock the shackle in front or side positions, or swivel to keep line from twisting.

Use for:

  • Main/jib sheets

  • Mainsheet fine-tune

  • Control lines

  • Vangs

  • Cunninghams

  • Outhauls

Part No. Description (Click for more information) Price Buy Now
har2600 Harken 57mm Carbo Block $36.27 Add to cart
har2601 Harken 57mm Carbo Block w/Becket $40.55 Add to cart
har2602 Harken 57mm Double Carbo Block $77.14 Add to cart
har2603 Harken 57mm Double Carbo Block w/Becket $81.41 Add to cart
har2604 Harken 57mm Triple Carbo Block $110.76 Add to cart
har2605 Harken 57mm Triple Carbo Block w/Becket $115.04 Add to cart
har2606 Harken 57mm Carbo Cheek Block $33.34 Add to cart
har2615 Harken 57mm Carbo Block w/Cam Cleat $102.84 Add to cart
har2616 Harken 57mm Carbo Block w/Cam Cleat and Becket $107.12 Add to cart
har2617 Harken 57mm Triple Carbo Block w/Cam Cleat $166.32 Add to cart
har2618 Harken 57mm Triple Carbo Block w/Cam Cleat & Becket $170.59 Add to cart
har2631 Harken 57mm Carbo Quad Block $138.64 Add to cart

Specifications:

Part No Description Sheave Diameter Length Weight Shackle Pin Max Line Safe Working Load Breaking Strength
    in mm in mm oz gr in mm in mm lb kg lb kg

2600

Single/swivel

21/4

57

45/16

110

3.1

87

3/16

5

7/16

10

792

360

2380

1080

2601

Single/swivel/becket

21/4

57

53/16

132

3.4

96

3/16

5

7/16

10

792

360

2380

1080

2606

Cheek

21/4

57

35/8

92

2.4

68

7/16

10

792

360

2380

1080

2615

Single/swivel/150 Cam-Matic®**

21/4

57

45/16

110

9.5

269

3/16

5

7/16

10

300

136

750

340

2616

Single/swivel/150 Cam-Matic®/becket**

21/4

57

53/16

132

15.6

442

3/16

5

7/16

10

600

272

1500

680

2602

Double/swivel

21/4

57

43/4

121

6.3

178

6

7/16

10

1584

720

3300

1500

2603

Double/swivel/becket

21/4

57

55/8

142

6.6

187

6

7/16

10

1584

720

3300

1500

2604

Triple/swivel

21/4

57

43/4

121

9

255

6

7/16

10

2380

1080

5000

2270

2605

Triple/swivel/becket

21/4

57

55/8

142

9.3

264

6

7/16

10

2380

1080

5000

2270

2617

Triple/swivel/150 Cam-Matic®**

21/4

57

43/4

121

15.2

431

6

7/16

10

1500

680

3750

1700

2618

Triple/swivel/150 Cam-Matic®/becket**

21/4

57

55/8

142

15.6

442

6

7/16

10

1800

816

4500

2040

2631

Quadruple/Swivel

21 4

57

43 4

121

12

340

6

7 16

10

2380

1080

5000

2270

*Safe working loads and breaking strengths for Carbo-Cams based on cam strengths


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