Ronstan Marine Systems DivisionRonstan Marine Systems Division
 
All Purpose Blocks
 

Series 50mm

Range Information | Applications | Materials | Related Items

Smart Features
  •  Exceptionally high working loads
  •  Low maintenance, long service life
  •  Self-lubricating sheave

 

   
Product No.
Desc.
Sheave ØMax. Rope ØMax. Cable ØPin ØM.W.L.B. L.Weight

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  mmmmmmmmkgkgg        
 RF51100 RF51100 > Single, universal head 

50

12

-

5.0

750

1500

118


 
 

  QTY
 

IN
STOCK

Price

£ 23.03

 RF51101 RF51101 > Single, loop head 

50

12

-

-

750

1500

98


 
 

  QTY
 

IN
STOCK

Price

£ 17.85

 RF51110 RF51110 > Single, becket, universal head 

50

12

-

5.0

750

1500

134


 
 

  QTY
 

IN
STOCK

Price

£ 30.36

 RF51111 RF51111 > Single, becket, loop head 

50

12

-

-

750

1500

114


 
 

  QTY
 

IN
STOCK

Price

£ 28.39

 RF51140 RF51140 > Single, stand up 

50

12

-

-

750

1500

118


 
 

  QTY
 

IN
STOCK

Price

£ 28.75

 RF51151 RF51151 > Single, cheek 

50

12

-

-

500

1000

85


 
 

  QTY
 

IN
STOCK

Price

£ 19.25

 RF51200 RF51200 > Double, universal head 

50

12

-

6.0

1000

2000

255


 
 

  QTY
 

IN
STOCK

Price

£ 51.86

 RF51210 RF51210 > Double, becket, universal head 

50

12

-

6.0

1000

2000

271


 
 

  QTY
 

IN
STOCK

Price

£ 64.13

 RF51300 RF51300 > Triple, universal head 

50

12

-

6.0

1200

2400

369


 
 

  QTY
 

IN
STOCK

Price

£ 69.02

 RF51500 RF51500 > Fiddle, universal head 

54 + 34

10

-

5.0

750

1500

167


 
 

  QTY
 

IN
STOCK

Price

£ 36.80

 RF51510 RF51510 > Fiddle, becket, universal head 

54 + 34

10

-

5.0

750

1500

176


 
 

  QTY
 

IN
STOCK

Price

£ 45.48

 RF51530 RF51530 > Fiddle, becket, adj. cleat, universal head 

54 + 34

10

-

5.0

750

1500

318


 
 

  QTY
 

IN
STOCK

Price

£ 80.86

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Range Information
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.

    
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Applications
  • Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
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Materials
  • U.V. stabilised Acetal sheaves
  • Impact and U.V. resistant, fibre reinforced Nylon cheeks
  • Grade 316 stainless steel bearing race
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