![Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head [RF30100]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/10970/13560/72397XL__61129.1729059918.jpg?c=1 "Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head [RF30100]")
Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head [RF30100]
$29.46
$35.70
Ronstan
![Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/1280x1280/products/6758/8762/55259XL__40499.1729048139.jpg?c=1 "Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]")
Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]
Ronstan
$15.99
$23.83
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Ronstan
Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]
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)
- MPN:
- RF573
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