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Ronstan Series 40mm All Purpose Blocks Fiddle, Universal Head

Ronstan RF41500 Series 40mm All Purpose Blocks Fiddle, Universal Head | Blackburn Marine Ronstan Hardware
RON RF41500


Ronstan All Purpose Blocks
Series 40mm Fiddle, Universal Head

  • Exceptionally high working loads 
  • Low maintenance, long service life 
  • Self-lubricating sheave 
  • Captive Lock™ universal head 
  • Slotted pin shackle eliminates fouled lines 
  • Spare parts - RF41500 Replacement Becket Pin, RF150 Shackle 
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 
  • Halyard 
  • Vang 
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft) 
  • Ideal for fine-tune mainsheet tackles, cunninghams, backstays and other control line purchase systems. 
  • U.V. stabilised Acetal sheaves 
  • Impact and U.V. resistant, fibre reinforced Nylon cheeks 
  • Grade 316 stainless steel bearing race 
  • Grade 316 stainless steel load strap and head fitting 
  • Impact and UV resistant, fibre reinforced Nylon cheeks
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