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INSTRUCTIONS

V

 Blocks 

N15W24983 Bluemound Road • Pewaukee, WI 53072 U.S.A.

Telephone: (262) 691-3320 • Fax: (262) 691-3008 • Web: harken.com • E-mail: [email protected]

You Must Supply

1. Primary support loop or lashing line
Harken is not liable or responsible for choosing line used to secure blocks. Go 

to Harken Limited Warranty at www.harken.com/manuals for complete details.
Refer to the “Specifications Chart” above and use a loop/lashing with a 

maximum working load that meets or exceeds the maximum working load 

listed. If working with breaking loads, use a breaking load that is four (4) times 

the maximum working load listed.
Important information on choosing line, knots, and splices:  

See www.harken.com/knots.

2. Secondary lashing line
Use a small diameter line for lashing the primary supporting loop or lashing 

near the head. Line length and diameter will vary depending on block.

WARNING! Knots weaken line considerably. Work with a qualified 

rigger or line manufacturer on securing line. Select high-strength 

loops using the instructions in “1” at left, or consult rigger for 

recommendations on lashing.

Specifications

Note: See replacement part numbers on last page. 

Mouth  

Ø

WARNING! Strictly follow all instructions to avoid an accident, damage to your vessel, 
personal injury or death. See www.harken.com/manuals for additional safety information.

= Incorrect. Avoid to prevent accidents.

V blocks mount using soft attachment methods. The primary support lashings or loops pass through the block's mouth. A secondary lashing keeps the block 

aligned. Cheeks are 3D-molded carbon or machined aluminum. The bearing system combines axial and thrust bearings into a single bearing set of angled 

titanium rollers. 

Sheave diameter

Max line Ø 

Mouth Ø 

Maximum working load

Breaking load

Part No.*

Description

mm

in

mm

in

mm

in

kg

lb

kg

lb

3294, 3294AL

1.5T single

47

1.85

9

11/32

15

.59

1500

3300

3000

6600

3366AL

1.5T wide

47

1.85

2x 9

2x 11/32

15

.59

1500

3300

3000

6600

3295, 3295AL

3.0T single

56

2.20

11

7/16

20

.785

3000

6600

6000

13200

3367AL

3.0T wide

56

2.20

2X 11

2X 7/16

20

.785

3000

6600

6000

13200

3296, 3296AL

5.0T single

62

2.44

13

1/2

20

.785

5000

11000

10000

22000

3362AL

5.0T wide

62

2.44

2X 14

2X 9/16

20

.785

5000

11000

10000

22000

3297, 3297AL

6.5T single

82

3.23

16

5/8

26

1.02

6500

14300

13000

28600

3368AL

6.5T wide

82

3.23

2X 16

2X 5/8

26

1.02

6500

14300

13000

28600

3363AL

8T single

104

4.09

18

11/16

42

1.67

8000

17600

16000

35200

3369AL

8T wide

104

4.09

2X 18

2X 11/16

42

1.67

8000

17600

16000

35200

3370AL

12T single

120

4.75

22

7/8

51

2.03

12000

26400

24000

52800

3371AL

16T single

140

5.5

26

1 1/16

63

2.49

16000

35200

32000

70400

3372AL

20T single

155

6.13

30

1 3/16

64

2.52

20000

44000

40000

88000

*Block cheeks are carbon or aluminum. AL signifies aluminum cheeks.

Head

Mouth

Cheek

Sheave

Primary support 

loop or lashing

Secondary 

lashing

Terms

Carbon and Aluminum V Blocks

Secondary 

lashing 

tunnel

#5097 Manual

4 pages, Print booklet style 

Black ink only

Prints both sides

40# Offset stock

11x17" folded as indicated

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