Ronstan Marine Systems DivisionRonstan Marine Systems Division
 
Utility Blocks

Series 25mm & 29mm Narrow

Range Information | Applications | Materials | Related Items

Smart Features
  •  Lightweight durable construction
  •  Economical
  •  Maintenance free

 

   
Product No.
Desc.
Sheave ØMax. Rope ØMax. Cable ØPin ØM.W.L.B. L.Weight  
  mmmmmmmmkgkgg  
 RF81 RF81 > Double, loop head 

29

8

-

-

450

1100

40

 
 RF82 RF82 > Triple, loop head 

29

8

-

-

550

1100

60

 
 RF83 RF83 > Double, becket, loop head 

29

8

-

-

450

1100

50

 
 RF185 RF185 > Single, tube rivet 

29

8

-

-

300

900

20

 
 RF186 RF186 > Fiddle, tube rivet 

29

8

-

-

300

600

50

 
 RF187 RF187 > Fiddle, v-jam cleat, tube rivet head 

29

8

-

-

300

600

60

 
 RF188 RF188 > Single, becket, tube rivet head 

29

8

-

-

300

600

35

 
 RF285 RF285 > Cheek, curved base 

29

8

-

-

300

600

42

 
 RF341 RF341 > Single, becket, v-jam cleat, removable pin head 

25

5

-

-

225

450

30

 
 RF343 RF343 > Triple, becket, v-jam cleat, loop head 

25

5

-

-

500

1000

75

 
 RF417 RF417 > Double, tube rivet 

28

8

-

-

450

1300

40

 
 RF2335 RF2335 > Single, narrow, tube rivet 

25

5

-

-

175

350

65

 

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Range Information
Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.
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Applications
  • Vang, cunningham and trapeze retriever systems on dinghies
  • Leech line tackles, bunk adjusters etc on larger yachts
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Materials
  • U.V. stabilised Acetal sheaves
  • Grade 316 stainless steel cheeks
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