S20 BB Block,Single Cheek

The Ronstan 20 mm Series 20 Ball Bearing Cheek Block features precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance with low friction.

Features:

• High static and dynamic load capacity
• Lightweight
• Low friction
• Double through-bolt mounting for maximum load capacity
• Stainless steel ball bearings
• UV stabilished Acetal sheave
• Grade 316 stainless steel load strap and head fitting
• Impact and UV resistant, fiber reinforced Nylon cheeks
• Designed for use with:
  • Dinghy control lines
  • Dinghy vangs
  • Cunninghams
  • Traveller controls