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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Stock

Price

  in.in.inin. lb.lb.oz.        
 RF51100 RF51100 > Single, universal head

2

1/2

-

3/16

1650

3310

4.2


 
 

NOT
AVAILABLE
ONLINE

---

Price

$ 32.77

 RF51101 RF51101 > Single, loop head

2

1/2

-

-

1650

3310

3.5


 
 

NOT
AVAILABLE
ONLINE

---

Price

$ 29.24

 RF51110 RF51110 > Single, becket, universal head

2

1/2

-

3/16

1650

3310

4.7


 
 

  QTY
 

IN
STOCK

Price

$ 41.18

 RF51111 RF51111 > Single, becket, loop head

2

1/2

-

-

1650

3310

4.0


 
 

  QTY
 

IN
STOCK

Price

$ 35.01

 RF51140 RF51140 > Single, stand up

2

1/2

-

-

1650

3310

4.2


 
 

  QTY
 

IN
STOCK

Price

$ 43.59

 RF51151 RF51151 > Single, cheek

2

1/2

-

-

1100

2200

3.0


 
 

  QTY
 

IN
STOCK

Price

$ 46.17

 RF51200 RF51200 > Double, universal head

2

1/2

-

1/4

2200

4410

9.0


 
 

  QTY
 

IN
STOCK

Price

$ 63.84

 RF51210 RF51210 > Double, becket, universal head

2

1/2

-

1/4

2200

4410

9.6


 
 

  QTY
 

IN
STOCK

Price

$ 72.82

 RF51300 RF51300 > Triple, universal head

2

1/2

-

1/4

2650

5290

13.0


 
 

NOT
AVAILABLE
ONLINE

---

Price

$ 89.28

 RF51500 RF51500 > Fiddle, universal head

2 1/8 + 1 5/16

3/8

-

3/16

1650

3310

5.9


 
 

  QTY
 

IN
STOCK

Price

$ 55.59

 RF51510 RF51510 > Fiddle, becket, universal head

2 1/8 + 1 5/16

3/8

-

3/16

1650

3310

6.2


 
 

  QTY
 

IN
STOCK

Price

$ 62.55

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

2 1/8 + 1 5/16

3/8

-

3/16

1650

3310

11.2


 
 

  QTY
 

IN
STOCK

Price

$ 118.35

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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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