Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15180

he Ronstan Series 15 mm Ball Bearing Utility Block with a Swivel Hook Head (RF15180) is the smallest and lightest ball bearing block available. It has precision molded acetal sheave running on stainless steel ball bearings that provide high performance & low friction.

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: 220 lbs
• Breaking Load: 440 lbs
• Material:
  • Ball Bearing sheaves (UV stabilized Acetal Ball bearings)
  • Stainless steel Cheeks (Grade 316 stainless steel)

Data Sheet