Ronstan Series 20 Linked Block - 20 mm (3/4") - RF20281

The Ronstan 20 mm Series 20 Linked Block (RF20281) has self-lubricating Acetal polymer sheaves running on polished stainless steel races that perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for spinnaker pole launching systems, traveller and control lines applications for cruising and racing.

Features:

• Low friction
• High static and dynamic load capacity
• Lightweight
• Stainless steel ball bearings
• UV stabilished Acetal sheave
• Grade 316 stainless steel load strap and head fitting
• Impact and UV resistant, fiber reinforced Nylon cheeks
• Applications:
  • Dinghy control lines
  • Dinghy vangs
  • Cunninghams
  • Traveller controls
  • Dinghy barber haulers
  • Spinnaker pole launching systems

Specifications:

• Safe working load: 550 lb (250 kg)
• Breaking load: 1210 lb (550 kg)
• Weight: 1.0 oz (28 g)
• Sheave diameter: 3/4" (20 mm)
• Maximum line size: 1/4" (6 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