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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Ronstan Series 25 Utility Block - Single - Swivel Shackle HeadSeries 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
Series 25 Utility Block - Single - Swivel Shackle HeadStainless 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)
Manufacturer : Ronstan
Manufacturer Part No : RF573
UPC : 9316800003877
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Excellent
The mayonnaise is very good. I love to buy again
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Good Quality
Good for making salads brings a divine taste of RSA.
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Reviewed in the United States on January 19, 2026
★★★★★ 5
Crosse & Blackwell Mayo
Love this only because i grew up eating it.Have tried to adapt to Helmans and other brands but the nostalgia wins every time.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Well, I used it already lol
Met all my expectations. Delivered on time.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Good quality and good packaging.
Very fast delivery (overnight), packaging very good. Expensive but no shipping via Amazon makes it about the same
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Reviewed in the United States on March 26, 2026