Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. When mounted in an inverted position, are frequently used as upright leads.

  • Removable sheave
  • The external tabs can be formed to fit the spar profile before fastening


  • Typically used in dinghy spars for control lines such as outhauls.


  • U.V. stabilised Acetal sheave
  • Grade 316 stainless steel load housing

Product Specifications

Sheave Ø 19 mm
Max. Rope Ø 5 mm
Max. Cable Ø - mm
Fastener Ø 5.0 mm
M.W.L. 250 kg
B. L. 550 kg
Weight 20 g

SKU 8541810
Model # RF568
Brand Ronstan

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