Ronstan Series 25 Single Utility Block with Swivel Fork Shackle - RF573

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

Specifications:

• Type of Block: Single
• Breaking Load: 661.4 lbs (300 kg)
• Maximum Working Load: 330.7 lbs (150 kg)
• Maximum Rope Diameter: 0.24" (6 mm)
• Weight: 0.71 oz (20 g)
• Pin Diameter: 0.16" (4 mm)
• 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