Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15312

The Ronstan Series 15 mm Ball Bearing Utility Triple Block with Loop Head and Becket (RF15312) utilizes stainless steel cheeks and precision molded Acetal sheave running on stainless steel ball bearings to provide high performance & low friction.

Features:

• 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