Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]

Description

Series 25 Utility Block™ - Single - Swivel Shackle 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")
Pin Ø: 4mm(5/32")
M.W.L.: 150kg(330lbs)
B. L.: 300kg(660lbs)
Weight: 20g(0.7oz)
Product form

Series 25 Utility Block™ - Single - Swivel Shackle HeadStainless steel cheeks and Acetal sheaves ensure a long service life... Read more

SKU: CWR-55259
Barcode: 9316800003877

5 in stock

$25.52$22.50

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    • Shipped today? Order within: Jun 04, 2026 15:00:00 -0400

    Description

    Series 25 Utility Block™ - Single - Swivel Shackle 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")
    Pin Ø: 4mm(5/32")
    M.W.L.: 150kg(330lbs)
    B. L.: 300kg(660lbs)
    Weight: 20g(0.7oz)

    Reviews

    Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]

    Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]

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