Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15141

The Ronstan Series 15 mm Ball Bearing Utility Block (RF15141) is the smallest and lightest ball bearing block available. It has precision moulded acetal sheave running on stainless steel ball bearings that provide high performance & low friction. Single loop head blocks include an O-ring to separate running line from head lashing or fixing.

Features:

• Ronstan Series 15 blocks utilize stainless steel cheeks and precision molded Acetal sheave running on stainless steel ball bearings
• Provides high performance & low friction
• Applications: Dinghies, keel boat and small control lines on larger boats
  • Dinghy control lines
  • Vangs
  • Cunninghams and tweakers
  • Shock cord tensioning systems
  • Great leach and foot line turning blocks on sails as well as a purchase system for pipe berths
• Lightweight durable construction
• Economical
• Maintenance free

Specifications:

• Maximum Line Size: 5 mm (3/16") in diameter
• Sheave Diameter: 5/8"
• Safe Working Load: 260 lbs
• Breaking Load: 1210 lbs
• Material:
  • Ball Bearing sheaves (UV stabilized Acetal Ball bearings)
  • Stainless steel Cheeks (Grade 316 stainless steel)

Data Sheet