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