Ronstan Series 50 Block - 50 mm (2") - RF51101

The Ronstan Series 50 Single Block with Loop Head (RF51101) is a great all-purpose block. The self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.

Features:

• Exceptionally high working loads
• Low maintenance, long service life
• Self-lubricating sheave
• Applications:
  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on one design classes and sports boats up to (33')
  • Ideal for fine-tune mainsheet tackles, cunninghams, backstays and other control line purchase systems

Specifications:

• Safe working load: 1650 lbs (750 kg)
• Breaking load: 3310 lbs (1500 kg)
• Weight: 3.5 oz. (98 g)
• Sheave diameter: 2" (50 mm)
• Maximum line size: 1/2" (12 mm)
• Materials:
  • U.V. stabilized Acetal sheaves
  • Grade 316 stainless steel bearing race
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fiber reinforced Nylon cheeks