Series 25 Utility Block™ - Single - Loop Head

Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase.

Features:

• Lightweight durable construction
  
• Economical
  
• Maintenance free

Applications:

• Vang, cunningham and trapeze retriever systems on dinghies
  
• Leech line tackles, bunk adjusters, etc on larger boats

Materials:

• U.V. stabilized acetal sheaves
  
• Grade 316 Stainless Steel cheeks

Specifications:
Sheave Ø: 25mm(1")
Max. Rope Ø: 6mm(1/4")
M.W.L.: 300kg(660lbs)
B. L.: 600kg(1,320lbs)
Weight: 15g(0.5oz)
Manufacturer : Ronstan
Manufacturer Part No : RF571
UPC : 9316800011070