RF51100 - Ronstan Series 50 All Purpose Block - Single - Universal Head

• Exceptionally high working loads
  
• Low maintenance, long service life
  
• Self lubricating sheave
  
• Captive Lock™ universal head
  
• Slotted pin shackle eliminates fouled lines

• Nylatron® sheave
  
• Grade 316 stainless steel load strap and head fitting
  
• Impact and U.V. resistant, fiber reinforced Nylon cheeks

The Ronstan Series 50 All Purpose Block (part number RF51100) is designed for marine applications requiring reliable line management. This single block features a universal head, offering flexibility to be fixed in two planes or allowed to swivel. It is constructed with a self-lubricating Nylatron sheave, running on polished stainless steel races, which supports both dynamic and high static loads efficiently. The block's robust design includes Grade 316 stainless steel load straps and head fittings, alongside impact and UV-resistant, fiber-reinforced Nylon cheeks, contributing to its durability and extended service life.

This component is suitable for mainsheet, halyard, vang, and spinnaker control line applications on boats up to 10 meters (33 feet). It addresses the need for high working loads and low maintenance in demanding marine environments. The slotted pin shackle is intended to prevent fouled lines, enhancing operational reliability for both cruising and racing setups.