Ronstan RF51140 Series 50 All Purpose Block Single Stand Up

Great all around solution

The Ronstan RF51140 Series 50 All Purpose Block Single Stand Up features 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 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. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools.

Ronstan RF51140 Series 50 All Purpose Block Single Stand Up Features:

• Exceptionally high working loads
  
• Low maintenance, long service life
  
• Self-lubricating sheave
  
• Captive Lock universal head
  
• Slotted pin shackle eliminates fouled lines
  
• Grade 316 stainless steel load strap and head fitting
  
• Mount with 2 x 5mm (3/6') fasteners (not supplied)
  
• Impact and UV resistant, fibre reinforced Nylon cheeks
  
  

Ronstan RF51140 Series 50 All Purpose Block Single Stand Up Specifications:

• Sheave diameter: 50 mm
  
• Max. Rope diameter: 12 mm
  
• M.W.L.: 750 kg
  
• B. L.: 1500 kg
  
• Weight: 118 g
  
• Application: Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)