Ronstan Series 15 Ball Bearing Utility Block - Exit Block

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  • $29.91
  • Regular price $35.19
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Series 15 Ball Bearing Utility Block - Exit 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
  • Features a flush rivet to minimize cutout and facilitate installation.

Featuring a formed single piece housing for maximum strength and minimal rope wear.


  • 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