2022 Ronstan Marine Catalogue - VIEW CATALOGUE




  • Exit and sheave boxes are ideal for applications where lines (rope or wire) need to be led through decks, bulkheads or spars minimising friction and chafing.

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Precision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction.
Sheave 20 mm
Max. Rope 6 mm
Max. Cable - mm
Fastener 4.0 mm
M.W.L.250 kg
B. L.1000 kg
Weight22 g
  • Exit blocks minimise friction in lines passing through the deck, bulkheads or masts and booms.
  • Cheeks & housings: Grade 316 stainless steel
  • Cheeks a housings: Aluminium alloy, anodised black RF45711, RF45711HL, RF45711N
  • BB & AP sheaves: UV stablised acetal
  • HHL sheaves & balls: Grade 2205 stainless steel
  • U.V. stabilised Acetal sheave