Ronstan Series 50 All Purpose Block - Single Upright Lead [RF51171]



Series 50 All Purpose Block - Single Upright Lead

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire


  • Typically used for halyards at the mast base.


  • UV stabilized acetal sheave
  • Grade 316 stainless steel load housing

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