Ronstan Series 50 AP Fiddle Utility Block - Becket, Adjustable Cleat, Universal Head

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Product Description

Ronstan Series 50 All Purpose Fiddle Utility Block, Becket, Adjustable Cleat, Universal Head - RF51530

  • 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
  • Snap fit removable becket pin
  • Multi-position cleat arm
  • Spare Parts - RF51010 Replacement Becket Pin, RF150 Shackle


  • Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
  • S60 - on boats up to 12m (40ft)
  • Ideal for fine-tune mainsheet tackles, cunninghams, backstays and other control line purchase systems


  • Grade 316 stainless steel load strap
  • Impact and UV resistant, fibre reinforced Nylon cheeks


  • Sheave Ø: 54 + 34 mm
  • Max. Rope Ø: 10 mm
  • Max. Cable Ø: - mm
  • Pin Ø: 5.0 mm
  • MWL: 750 kg
  • BL: 1500 kg
  • Weight: 318 g
SKU: #

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