![Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-27T112243.892.png?v=1724739877&width=3840)
![Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-09-04T143540.404.png?v=1725442585&width=3840)
![Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-27T113233.566.png?v=1724740371&width=3840)
![Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-26T154205.614.png?v=1724668955&width=3840)
Built for the Water
Lighting the Way Below – Enhancing Every Dive
Underwater Glow, Unmatched Visibility
![Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]](http://boatpartsdepot.com/cdn/shop/files/55259XL_180x.jpg?v=1723138721)
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,...
Available:
In stock
Guaranteed safe checkout:
Same-Day shipping
This item is available for 2 day shipping
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:t25mm(1")
Max. Rope Ø: 6mm(1/4")
Pin Ø: 4mm(5/32")
M.W.L.:t150kg(330lbs)
B. L.:t300kg(660lbs)
Weight:t20g(0.7oz)
RECENTLY VIEWED PRODUCTS
![Navionics NASA010R - Central America Caribbean - Navionics+ [010-C1459-30]](http://boatpartsdepot.com/cdn/shop/files/101640XL.jpg?v=1723618772&width=3840)
![Humminbird LakeMaster VX Premium - Mid-South States [602005-1]](http://boatpartsdepot.com/cdn/shop/files/96686XL.jpg?v=1723589032&width=3840)
![Humminbird LakeMaster VX Premium - Western States [602009-1]](http://boatpartsdepot.com/cdn/shop/files/96690XL.jpg?v=1723589065&width=3840)
![Humminbird LakeMaster VX Premium - Mid-Atlantic States [602004-1]](http://boatpartsdepot.com/cdn/shop/files/96685XL.jpg?v=1723589023&width=3840)
![Navionics Platinum+ NPSA004L - Mexico, Caribbean to Brazil [010-C1364-40]](http://boatpartsdepot.com/cdn/shop/files/92651XL.jpg?v=1723565143&width=3840)
![Navionics NAUS006R - U.S. South - Navionics+ [010-C1369-30]](http://boatpartsdepot.com/cdn/shop/files/92608XL.jpg?v=1723564725&width=3840)
![Navionics Platinum+ NPUS008R - U.S. West [010-C1371-40]](http://boatpartsdepot.com/cdn/shop/files/92657XL.jpg?v=1723565187&width=3840)
![Navionics Platinum+ NPUS006R - U.S. South [010-C1369-40]](http://boatpartsdepot.com/cdn/shop/files/92655XL.jpg?v=1723565169&width=3840)
![Navionics NASA005L - Chile, Argentina Easter Island - Navionics+ [010-C1365-30]](http://boatpartsdepot.com/cdn/shop/files/92604XL.jpg?v=1723564699&width=3840)
![Humminbird LakeMaster VX - Great Plains [601003-1]](http://boatpartsdepot.com/cdn/shop/files/96671XL.jpg?v=1723588900&width=3840)
![Navionics NASA004L - Mexico, Caribbean to Brazil - Navionics+ [010-C1364-30]](http://boatpartsdepot.com/cdn/shop/files/92603XL.jpg?v=1723564691&width=3840)
![Garmin BlueChart g3 Vision HD - VUS517L - Alaska South - microSD/SD [010-C0887-00]](http://boatpartsdepot.com/cdn/shop/files/31928XL.jpg?v=1723088261&width=3840)
![Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-28T110403.265.png?v=1724825283&width=3840)
