2022 Ronstan Marine Catalogue - VIEW CATALOGUE

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Series 20 – 50



  • Exceptionally high working loads
  • Lightweight
  • Suitable for both rope or wire

  • Share:
Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.Can be fitted with a shackle in either of two planes to allow correct alignment of the block.
Sheave Ř20 mm
Max. Rope Ř6 mm
Max. Cable Ř3 mm
Pin Ř- mm
M.W.L.275 kg
B. L.550 kg
Weight14 g
  • Dinghy control lines
  • Dinghy vangs
  • Cunninghams
  • Traveller controls
  • Halyards
  • Backstays
  • Nylatron® sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and U.V. resistant, fibre reinforced Nylon cheeks