Ronstan Series 15 mm Ball Bearing Utility Block - RF15171

The Ronstan Series 15 mm Upright Lead Block (RF15171) 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)

Note: Single Blocks with loop head include an O-ring to separate running line from head lashing or fixing

Data Sheet