![Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573] by Ronstan -](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/55259XL.webp?v=1747189600)
15% off
Price history at Lotz Outdoors
Price at Lotz Outdoors unchanged at $21.69 since Oct 9, 2026. Last checked Nov 15, 2026.
Product Description
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 :t25mm(1")Max. Rope : 6mm(1/4")Pin : 4mm(5/32")M.W.L.:t150kg(330lbs)B. L.:t300kg(660lbs)Weight:t20g(0.7oz)
Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]
$21.69
$25.52
15% Discount
You save $3.83
In Stock
at Lotz Outdoors
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Product Details
Brand
Ronstan
Price history at Lotz Outdoors
Price at Lotz Outdoors unchanged at $21.69 since Oct 9, 2026. Last checked Nov 15, 2026.
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