Ronstan Series 40 Block - RF41300

The Ronstan Series 40 Triple Block with Universal Head (RF41300) is a great all around solution. 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. Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required.

Features:

• Exceptionally high working loads
• Low maintenance, long service life
• Self-lubricating sheave
• Captive Lock™ universal head
• Slotted pin shackle eliminates fouled lines
• Applications:
  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sports boats up to 8m (26ft)

Specifications:

• Breaking load: 1540 lb
• Weight: 6.9 oz
• Sheave diameter: 1-9/16" (40 mm)
• Maximum line size: 3/8" (11 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