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

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Stock

Price

  in.in.inin. lb.lb.oz.        
 RF174 RF174 > Single, loop head

1 1/8

3/8

-

-

770

1980

0.9


 
 

NOT
AVAILABLE
ONLINE

---

Price

$ 13.49

 RF280 RF280 > Single, loop head

1 1/8

5/16

-

-

660

1320

0.7


 
 

  QTY
 

IN
STOCK

Price

$ 9.95

 RF443 RF443 > Single, swivel ring head

1 1/8

3/8

-

-

550

1100

1.6


 
 

  QTY
 

IN
STOCK

Price

$ 26.24

 RF467 RF467 > Single, swivel shackle head

1 1/8

3/8

-

3/16

550

1100

1.8


 
 

  QTY
 

IN
STOCK

Price

$ 23.65

 RF469 RF469 > Single, ferrule eye head

1 1/8

3/8

-

-

770

1100

1.4


 
 

  QTY
 

IN
STOCK

Price

$ 14.57

 RF470 RF470 > Single, becket, ferrule eye head

1 1/8

3/8

-

-

770

1100

1.6


 
 

NOT
AVAILABLE
ONLINE

---

Price

$ 19.71

 RF471 RF471 > Single, becket, loop head

1 1/8

3/8

-

-

770

1980

1.0


 
 

  QTY
 

IN
STOCK

Price

$ 21.10

 RF567 RF567 > Single, becket, swivel shackle head

1 1/8

3/8

-

3/16

550

1100

1.9


 
 

  QTY
 

IN
STOCK

Price

$ 27.95

 RF681 RF681 > Single, becket, loop head

1 1/8

5/16

-

-

660

1320

0.9


 
 

  QTY
 

IN
STOCK

Price

$ 14.25

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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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