Ronstan Series 30 Ball Bearing Block - Single - Loop Top

• Low friction 2-stage ball bearing system provides consistent performance over the full working load range
  
• High static and dynamic load capacity
  
• Light weight
  
• Versatile head fittings
  
• Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction
  
• Can be fitted with a shackle in either of two planes to allow correct alignment of the block

• Primary lead blocks on dinghies and catamarans
  
• Control lines on larger yachts

• U.V. stabilized Acetal sheaves
  
• Acetal ball bearings
  
• Impact modified, fiber reinforced and U.V. stabilized Nylon cheeks
  
• Grade 316 stainless steel load straps and head fittings