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Harken 40 mm Carbo Blocks

Harken Sailing Gear

Harken 40mm Carbo Blocks

Carbo AirBlocks® are 60% stronger and 30% lighter than our Classic blocks. Use the 40 mm Carbo for jib and mainsheet systems on high-performance dinghies and for loaded control lines on small keelboats.

The nylon-resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Sheaves spin on high-load ball bearings with fitted races for low-friction operation.  Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.

Use for:

  • Main/jib sheets
  • Mainsheet fine-tune
  • Control lines
  • Vangs
  • Cunninghams
  • Outhauls

Part No. Description (Click for more information) Price Buy Now
har2636 Harken 40mm Carbo Block $28.99 Add to cart
har2637 Harken 40mm Carbo Block w/Becket $32.99 Add to cart
har2638 Harken 40mm Carbo Double Swivel Block $64.99 Add to cart
har2639 Harken 40mm Carbo Double Swivel Block w/Becket $68.99 Add to cart
har2640 Harken 40mm Carbo Triple Block $106.99 Add to cart
har2641 Harken 40mm Carbo Triple Block w/Becket $110.99 Add to cart
har2642 Harken 40mm Carbo Fixed Double Block $53.99 Add to cart
har2643 Harken 40mm Carbo Fixed Double w/Becket $58.99 Add to cart
har2644 Harken 40mm Carbo Cheek Block $27.99 Add to cart
har2645 Harken 40mm Carbo Block w/Cam Cleat $92.99 Add to cart
har2646 Harken 40mm Carbo Block w/Cam Cleat and Becket $97.99 Add to cart
har2647 Harken 40mm Triple Carbo Block w/Cam Cleat $163.99 Add to cart
har2648 Harken 40mm Triple Carbo Block w/Cam Cleat and Becket $168.99 Add to cart
har2649 Harken 40mm/29mm Carbo Traveler Block $36.99 Add to cart
har2650 Harken 40mm Fixed Carbo Block $23.99 Add to cart
har2652 Harken 40mm Carbo Block w/Spring and Eyestrap $31.99 Add to cart
har2654 Harken 40mm Carbo Quad Block $141.99 Add to cart
har2156 Harken 40mm Carbo Pivoting Lead Block w/ Aluminum Cam $65.99 Add to cart
har2157 Harken 40mm Carbo Pivoting Lead Block w /Carbo Cam $60.99 Add to cart
har2163 Harken 40MM Carbo Cheek w/Becket $33.99 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 gm in mm in mm lb kg lb kg

2636

Single/swivel

19/16

40

33/8

86

1.6

44

5/32

4

3/8

10

485

220

1620

735

2637

Single/swivel/becket

19/16

40

4

102

1.7

48

5/32

4

3/8

10

485

220

1620

735

2644

Cheek

19/16

40

23/4

70

1.2

34

3/8

10

485

220

1620

735

2645

Single/swivel/423 Carbo-Cam®**

19/16

40

33/8

86

4.2

119

5/32

4

1/4

6

150

68

300

136

2646

Single/swivel/423 Carbo-Cam®/becket**

19/16

40

4

102

4.3

122

5/32

4

1/4

6

300

136

600

272

2649

Traveler

19/16

40

41/4

108

1.8

52

5/16

8

330

150

1000

454

2650

Single/fixed*

19/16

40

21/2

64

1.4

40

3/8

10

485

220

1620

735

2652

Stand-up/fixed*

19/16

40

23/4

70

1.7

48

3/8

10

485

220

1620

735

2659

90° Fixed head*

19/16

40

215/16

75

1.6

44

3/8

10

485

220

1620

735

2638

Double/swivel

19/16

40

311/16

94

3.2

86

3/16

5

3/8

10

970

440

2380

1080

2639

Double/swivel/becket

19/16

40

45/16

110

3.4

90

3/16

5

3/8

10

970

440

2380

1080

2640

Triple/swivel

19/16

40

311/16

94

4.6

118

3/16

5

3/8

10

1455

660

3050

1383

2641

Triple/swivel/becket

19/16

40

45/16

110

4.7

122

3/16

5

3/8

10

1455

660

3050

1383

2642

Double/fixed

19/16

40

31/2

89

2.8

80

3/16

5

3/8

10

970

440

2380

1080

2643

Double/fixed/becket

19/16

40

43/16

106

2.9

84

3/16

5

3/8

10

970

440

2380

1080

2647

Triple/swivel/423 Carbo-Cam®**

19/16

40

311/16

94

8.2

232

3/16

5

1/4

6

750

340

1500

680

2648

Triple/swivel/423 Carbo-Cam®/becket**

19/16

40

45/16

110

8.3

235

3/16

5

1/4

6

900

408

1800

816

2654 Quad Swivel 1-9/16 40 3-1/16 94 6 170 3/16 5 3/8 10 1455 660 3050 1383


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