Ronstan Marine Systems DivisionRonstan Marine Systems Division
 
Utility Blocks

Series 29mm

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  
 RF174 RF174 > Single, loop head 

29

10

-

-

350

900

25

 
 RF280 RF280 > Single, loop head 

29

8

-

-

300

600

20

 
 RF443 RF443 > Single, swivel ring head 

29

10

-

-

250

500

44

 
 RF467 RF467 > Single, swivel shackle head 

29

10

-

4.8

250

500

50

 
 RF469 RF469 > Single, ferrule eye head 

29

10

-

-

350

500

40

 
 RF470 RF470 > Single, becket, ferrule eye head 

29

10

-

-

350

500

45

 
 RF471 RF471 > Single, becket, loop head 

29

10

-

-

350

700

28

 
 RF567 RF567 > Single, becket, swivel shackle head 

29

10

-

4.8

250

500

55

 
 RF681 RF681 > Single, becket, loop head 

29

8

-

-

300

600

25

 

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Range Information
Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase.
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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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