RF41140 - Ronstan Series 40 All Purpose Block - Single - Stand Up

• Exceptionally high working loads
  
• Low maintenance, long service life
  
• Self-lubricating sheave
  
• Captive Lock™ universal head
  
• Mount with 2 x 5mm (3/16") fasteners (not supplied)

• Mainsheet
  
• Halyard
  
• Vang
  
• Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26')

• U.V. stabilized Acetal sheaves
  
• Impact and U.V. resistant, fiber reinforced Nylon cheeks
  
• Grade 316 stainless steel bearing race
  
• Grade 316 stainless steel load strap and head fitting

The Ronstan Series 40 All Purpose Block - Single - Stand Up, part number RF41140, is designed for reliable performance in various load conditions. This block features self-lubricating Acetal polymer sheaves that operate on polished stainless steel races, suitable for both dynamic and high static loads. Its construction includes U.V. stabilized Acetal sheaves, impact and U.V. resistant fiber-reinforced Nylon cheeks, and Grade 316 stainless steel for the bearing race, load strap, and head fitting, contributing to its durability and long service life. The Captive Lock universal head offers flexibility, allowing it to be fixed in two planes or to swivel freely. This block is intended for applications such as mainsheets, halyards, vangs, and spinnaker control lines on off-the-beach catamarans, one design classes, and sportsboats up to 8 meters (26 feet). It supports a maximum rope diameter of 10mm (7/16") and has a maximum working load of 400kg (880lbs).