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Ronstan 20mm Ball Bearing Block,Upright Lead RF20171
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Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.

  • Grade 316 stainless steel ball bearings
  • UV stabilised Acetal sheave
  • Grade 316 stainless steel load housing
Sheave Ø20 mm
Max. Rope Ø6 mm
Max. Cable Ø- mm
Fastener Ø4.0 mm
M.W.L.250 kg
B. L.550 kg
Weight18 g

  • Typically used for halyards at the mast base.
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