Summer Sale! Tons of products on sale for a limited time!

Ronstan Series 15 Ball Bearing Utility Block - Pivoting Lead Block - RF15174

$36.57 $43.03
SKU: 71025

Manufacturer Part #: RF15174

Series 15 Ball Bearing Utility Block - Pivoting Lead Block


  • Smallest and lightest ball bearing block available
  • Precision molded acetal sheave running on stainless steel ball bearings provide high performance & low friction
  • Single loop head blocks include an O-ring to separate running line from head lashing or fixing

Featuring a 4-point fastening for load distribution and low profile. Can be mounted with out disassembly.


  • Dinghy control lines
  • Vangs, cunninghams and tweakers
  • Shock cord tensioning systems


  • BB sheaves: UV stabilized acetal
  • Ball bearings: Stainless steel
  • Cheeks: Grade 316 stainless steel

Selling fast!
Grab yours while you can

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