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I N S T R U C T I O N S

Strictly follow all instructions to avoid an accident, damage to your vessel, personal injury or 

death. See www.harken.com for additional safety information.

Part  

No.

Description

Sheave  

Ø

Max line  

Ø

Maximum  

working load

Breaking  

load

in

mm

lb

kg

lb

kg

2148

40 mm

40 mm

  

3

/

8

 

10

485

220

1200

544

2151

57 mm

57 mm

  

7

/

16

10

792

359

2380

1080

Replacement Loops

Part  

No.

Description

Sheave  

Ø

Replacement 

Loops /Lines

Replacement line  

Ø

Loop 

length

Line 

Type

in

mm

in

mm

2148

40 mm

40 mm

2154

  

1

/

8

3

5

1

/

2

140

Spectra

2151

57 mm

57 mm

2155

  

1

/

8

3

6

1

/

2

165

 Spectra

Specifications

Planning Installation

Loop Only to Objects with Rounded Edges. Avoid sharp corners.

WARNING! Loop can cut easily on sharp corners causing loop to break suddenly under load, 

possibly causing an accident, damage to your vessel, personal injury or death. See www.

harken.com for additional safety information.

T2 Loop Blocks

  

2148, 2151

INCORRECT

CORRECT

Rounded

Sharp

Anchor Post

Head

Mouth

Sheave

Bail

Loop

USA

 

 

Tel:

 (+01) 262-691-3320 • 

Web:

 www.harken.com • 

Email:

 [email protected] 

Italy

 

 

Tel:

 (+39) 031.3523511 • 

Web:

 www.harken.it • 

Email:

 [email protected]

Sheave spins on ball bearings:

 low friction

No metal:

 inside or out.

Quick attachment:

 using loop. 

Features

Terms

Important information on choosing line, knots and splices. Go to US Sailing article:  

http://offshore.ussailing.org/Assets/Offshore/SAS/PDF/Article.pdf

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