Ronstan Series 20 Block - 20 mm (3/4") - RF20184

The Ronstan Series 20 Single Block with Loop Mount (RF20184) 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:

• Low maintenance, long service life
• Self-lubricating sheave
• Captive Lock™ universal head
• Slotted pin shackle eliminates fouled lines
• Multi-position cleat arm
• Applications:
  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on one design classes and sports boats up to (26')
  • Ideal for fine-tune mainsheet tackles, cunninghams, backstays and other control line purchase systems

Specifications:

• Safe working load: 550 lb (250 kg)
• Breaking load: 1210 lb (550 kg)
• Weight: 0.8 oz (22 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