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Ronstan Single Wire Tubular Rivet Head Block

Cat.No:  5447 Sup. No:  RF418

Availability: In stock

RRP: $22.83

our price $19.95
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Wire blocks have purpose designed narrow sheaves and grooves.


  • Sheave Diam: 25 mm
  • Max. Rope Diam: - mm
  • Max. Wire Diam: 3 mm
  • Pin Diam: - mm
  • Max. Working Load: 450 kg
  • Breaking Load: 900 kg
  • Weight: 40 g


  • Wire blocks suit halyards, vang and backstay applications


  • Grade 316 stainless steel cheeks.
  • Nylatron sheave

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