$ 32.89

 Ball Bearing Blocks

Series 15


  • Smallest and lightest ball bearing block available
  • Precision moulded 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 minimise cutout and facilitate installation.

Sheave Ø15 mm
Max. Rope Ø5 mm
Max. Cable Ø mm
Pin Ø mm
M.W.L.120 kg
B. L.550 kg
Weight14 g

Product Information

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 stabilised acetal
  • Ball bearings: Stainless steel
  • Cheeks: Grade 316 stainless steel

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