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Ronstan Series 50mm & 60mm Single, Universal Head

Ronstan RF51100 Series 50mm & 60mm Single, Universal Head | Blackburn Marine Ronstan Hardware
RON RF51100

Ronstan All Purpose Blocks
Series 50mm & 60mm Single, Universal Head

  • Exceptionally high working loads 
  • Low maintenance, long service life 
  • Self-lubricating Acetal polymer sheave ensures low friction and extreme durability 
  • Captive Lock™ universal head 
  • Slotted pin shackle eliminates fouled lines
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.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required.

  • Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft) 
  • S60 - on boats up to 12m (40ft)
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fibre reinforced Nylon cheeks
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