Ronstan RF20171 20mm Upright Lead Block

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 Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

Applications:

• Typically used for halyards at the mast base

Materials:

• Acetal ball bearings
• UV stabilised Acetal sheave
• Grade 316 stainless steel load strap and head fitting

Features:

• Sheave Diameter - 20mm
• Maximum Rope Diameter - 6mm
• Fastening diameter - 4mm
• Maximum working load - 250kg
• Breaking load 550kg
• Weight 18g

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